Small Parts & Bearings - an MBA company

Covid-19 Update!! Current supply status.

Trading by online order and email.
Outbound Deliveries: Allow a few extra days within Australia and extra 7 days for overseas deliveries.
Pre-orders and Backorders: Allow extra 7 days due to quarantine precautions.
Distributors: Most MBA distributors are open and able to contact us using the distributor phone line.

Hospitals, medical equipment repairs and manufacture and bio research teams please email us if you need emergency contacts for equipment spare parts.

S250 THOMPSON


Cross Referenced Part Numbers



TLM-250RS Thompson part number S-250





Inside Diameter: 3.175. Outside Diameter: 12.802. Thickness (T): 3.175.

Online Price: 0.00     
Stock: Pre-Order (due 3 weeks)     
Due dates are estimates only     


Category Matches

Ball Screw Accessories


Ballscrew - Thomson Saginaw - Accessories
Ballscrew - Thomson Saginaw - Accessories

Also see combined categories:
All Ball Screws

Wiper Kits and Flanges for Ball Nuts. Match all components within the Thomson Saginaw range only.



Ballscrew - Thomson Saginaw - Nut
Ballscrew - Thomson Saginaw - Nut

Also see combined categories:
All Ball Screws

Ball Nuts to Suit Thomson Saginaw ball screws. Match all components within the Thomson Saginaw range only.

All Right hand thread only.


Ball Screws Rolled


Ballscrew - Thomson Saginaw
Ballscrew - Thomson Saginaw

Also see combined categories:
All Ball Screws

Offer 90% efficiency converting rotary to linear motion with low coefficient of friction. Match all components within the Thomson Saginaw range only.

When replacing screws, hydraulics or pneumatics, they allow the use of smaller, less expensive drive motors and reduce the need for auxiliary equipment. Offer dependable accuracy and repeatability, Made off high quality alloy steel, hardened to Rockwell 56-60C.


Linear Bearings with Housing












Linear Bearings


Bearings - Linear - Ball - Thomson Precision Steel - Closed
Bearings - Linear - Ball - Thomson Precision Steel - Closed

Also see combined categories:
All Thomson Linear Ball Bearings

For running on shafts fixed at the ends.


Related Information:


You may also be interested in

Linear Slides


Rail Systems - Type 2 - Linear - Precision - Carriage - Chrome - Narrow
Rail Systems - Type 2 - Linear - Precision - Carriage - Chrome - Narrow


Match with rail by size column 1. Thomson 500 Series provide long life, exceptional rigidity, high dynamic and static load capabilities in all directions.

Accommodates high moment loads and maintains high running accuracy. Improved machine accuracies and rigidity resulting in reduced vibration and extended machine and tool life. Low drag longitudinal seals protect the the balls and ball path from contamination. Thin dense chrome.

Related Information:


Rail Systems - Type 2 - Linear - Precision - Carriage - Chrome - Standard
Rail Systems - Type 2 - Linear - Precision - Carriage - Chrome - Standard


Match with rail by size column 1. Thomson 500 Series provide long life, exceptional rigidity, high dynamic and static load capabilities in all directions.

Accommodates high moment loads and maintains high running accuracy. Improved machine accuracies and rigidity resulting in reduced vibration and extended machine and tool life. Low drag longitudinal seals protect the the balls and ball path from contamination. Thin dense chrome.

Related Information:


Rail Systems - Type 2 - Linear - Precision - Rails - Chrome Coated
Rail Systems - Type 2 - Linear - Precision - Rails - Chrome Coated


Match with carriage by size column 1. Thomson 500 Series provide long life, exceptional rigidity, high dynamic and static load capabilities in all directions.

Accommodates high moment loads and maintains high running accuracy. Improved machine accuracies and rigidity resulting in reduced vibration and extended machine and tool life. Rails are subjected to multiple straightening processes during and after grinding of the ball paths to ensure straight and accurate rails.

Related Information:


Rail Systems - Type 3 - Linear - Precision - Rails - Carbon Steel
Rail Systems - Type 3 - Linear - Precision - Rails - Carbon Steel


Match with carriage by size column 1. Thomson 500 Series provide long life, exceptional rigidity, high dynamic and static load capabilities in all directions.

Accommodates high moment loads and maintains high running accuracy. Improved machine accuracies and rigidity resulting in reduced vibration and extended machine and tool life. Rails are subjected to multiple straightening processes during and after grinding of the ball paths to ensure straight and accurate rails.

Related Information:


Rail Systems - Type 3 - Linear - Precision - Carriage - Carbon Steel - Narrow
Rail Systems - Type 3 - Linear - Precision - Carriage - Carbon Steel - Narrow


Match with rail by size column 1. Thomson 500 Series provide long life, exceptional rigidity, high dynamic and static load capabilities in all directions.

Accommodates high moment loads and maintains high running accuracy. Improved machine accuracies and rigidity resulting in reduced vibration and extended machine and tool life. Low drag longitudinal seals protect the the balls and ball path from contamination.

Related Information:


Rail Systems - Type 3 -Linear - Precision - Carriage - Carbon Steel - Standard
Rail Systems - Type 3 -Linear - Precision - Carriage - Carbon Steel - Standard


Match with rail by size column 1. Thomson 500 Series provide long life, exceptional rigidity, high dynamic and static load capabilities in all directions.

Accommodates high moment loads and maintains high running accuracy. Improved machine accuracies and rigidity resulting in reduced vibration and extended machine and tool life. Low drag longitudinal seals protect the the balls and ball path from contamination.

Related Information:


Bearings - Ceramic ZRO2- Angular Contact
Bearings - Ceramic ZRO2- Angular Contact

Also see combined categories:
All Angular Contact Bearings
All Full Ceramic Bearings

Excellent performance in electrical and magnetism sensitive applications. Full ceramic zirconia.

Applications include cryopumps, medical applications, semiconductors, turbine flow meters, food processing, robotics and optics. Wear and corrosion resistance. Lubrication and maintenance free. Cages of PTFE or Glass Fibre Reinforced Nylon. Can be made from special aviation aluminum on request. ZrO2 standard material for balls, cage and rings. Si3N4 available to special order. High and low- temperature application. Up to 250 oC with PTFE Cage and 130 Deg C with Nylon Cage.

Related Information:


Gearheads - Inline - Planetary - Size 17 - Precision
Gearheads - Inline - Planetary - Size  17 - Precision

Also see combined categories:
All Inline Planetary Gearheads

Use with NEMA Size 17 Motors.

Stainless Steel housing - Heat Treated Steel Gears - Sealed ball bearings - Aluminium mounting flange. Shaft loading 25.4kg (57 lbs) radial and 24.5kg (55 lbs) axial / Maximum input speed 6500 rpm. Min. Efficiency ---- Single Stage : 90%, Double Stage : 85%. Max Backlash ---- Single Stage : 6 arc min, Double Stage : 10 arc min. Operating Temperature : -54 to 121 oC (-65 to 250 Deg F).

Related Information:


Springs - Extension - Music Wire
Springs - Extension - Music Wire

Also see combined categories:
All Extension Springs

Includes long lengths up to 1 metre

Zinc Plated Spring Steel not recommended for applications exceeding 121 oC (250 Deg F). 302 Stainless springs not recommended for applications exceeding 260 oC (500 Deg F). 302 stainless steel is slightly magnetic.

Related Information:


Springs - Extension - Stainless Steel
Springs - Extension - Stainless Steel

Also see combined categories:
All Extension Springs

Includes long lengths up to 1 metre

Zinc Plated Spring Steel not recommended for applications exceeding 121 oC (250 Deg F). 302 Stainless springs not recommended for applications exceeding 260 oC (500 Deg F). 302 stainless steel is slightly magnetic.

Related Information:


Bearings - Ceramic ZrO2 - Radial
Bearings - Ceramic ZrO2 - Radial

Also see combined categories:
All Radial Ball Bearings
All Full Ceramic Bearings

Excellent performance in electrical and magnetism sensitive applications. Not for High Speed. Full ceramic zirconia.

Applications include cryopumps, medical applications, semiconductors, turbine flow meters, food processing, robotics and optics. Wear and corrosion resistance. Lubrication and maintenance free. Cages of PTFE or Glass Fibre Reinforced Nylon. Can be made from special aviation aluminum on request. ZrO2 standard material for balls, cage and rings. Si3N4 available to special order. High and low- temperature application. Up to 250 oC with PTFE Cage and 130 Deg C with Nylon Cage.

Related Information:


Bearings - Ceramic Si3N4 - Radial
Bearings - Ceramic Si3N4 - Radial

Also see combined categories:
All Radial Ball Bearings
All Full Ceramic Bearings

Excellent performance in electrical and magnetism sensitive applications. Higher speed than Zr02. Full ceramic silicon nitride.

Applications include cryopumps, medical applications, semiconductors, turbine flow meters, food processing, robotics and optics. Wear and corrosion resistance. Lubrication and maintenance free. 3.2g/cubic cm density. Cages of PTFE or Glass Fibre Reinforced Nylon. Can be made from special aviation aluminum on request. Si3N4 (GSN-201) standard material for balls, cage and rings. HRC80 Hardness. High and low- temperature application. Up to 250 oC with PTFE Cage and 130 Deg C with Nylon Cage.

Related Information:


Bearings - Ceramic Si3N4 - Angular Contact
Bearings - Ceramic Si3N4 - Angular Contact

Also see combined categories:
All Angular Contact Bearings
All Full Ceramic Bearings

Excellent performance in electrical and magnetism sensitive applications. Higher speed than Zr02. Full ceramic silicon nitride.

Applications include cryopumps, medical applications, semiconductors, turbine flow meters, food processing, robotics and optics. Wear and corrosion resistance. Lubrication and maintenance free. 3.2g/cubic cm density. Cages of PTFE or Glass Fibre Reinforced Nylon. Can be made from special aviation aluminum on request. Si3N4 (GSN-201) standard material for balls, cage and rings. HRC80 Hardness. High and low- temperature application. Up to 250 oC with PTFE Cage and 130 Deg C with Nylon Cage.

Related Information:


Bearings - Ceramic ZrO2 - Self Aligning - Double Row
Bearings - Ceramic ZrO2 - Self Aligning - Double Row

Also see combined categories:
All Radial Ball Bearings
All Full Ceramic Bearings

Excellent performance in electrical and magnetism sensitive applications. Not for High Speed. Full ceramic zirconia.

Applications include cryopumps, medical applications, semiconductors, turbine flow meters, food processing, robotics and optics. Wear and corrosion resistance. Lubrication and maintenance free. Cages of PTFE or Glass Fibre Reinforced Nylon. Can be made from special aviation aluminum on request. ZrO2 standard material for balls, cage and rings. Si3N4 available to special order. High and low- temperature application. Up to 250 oC with PTFE Cage and 130 Deg C with Nylon Cage.

Related Information:


Linear - Assemblies - Ball Slide - Precision
Linear - Assemblies - Ball Slide - Precision


These precision ball slides have a typical coefficient of friction of 0.003 and provide straight line accuracy of 0.0005mm per mm of travel.

At load capacity a life of 250 million mm of travel can be expected. The expected life at half load capacity is 2.5 billion mm. Factory preload adjustment prevents sideplay and backlash. Lightweight aluminium carriage and base with high load capacity. Four tapped and threaded carriage holes and counterbored base holes simplify installation and component mounting. Long life, self cleaning ball bearing needs no lubrication. Positional repeatability 0.005mm. Clear anodised finish.


Bushes - Stainless Steel and PTFE - Flanged
Bushes - Stainless Steel and PTFE - Flanged

Also see combined categories:
All Steel Bushes
All Flanged Steel Bushes

Oil, acid, alkali and salt water resistant. Contains no lead. Particularly suited to food applications, flow meters and pumps in pharmaceutical applications, printing machines chemical engineering and seawater applications.

Operating Temperature -200o to 280o Celsuis. PTFE with oilfibre 0.01 to around 0.03mm. Porous bronze 0.2 to around 0.3mm. Stainless steel backing 0.7 to around 2.3mm. 140 N/mm2 dynamic load rating. 250 N/mm2 static. 60 N/mm2 Oscillating. Speed Limit in oil 4.5 metres surface speed per second.

Related Information:


Bushes - Stainless Steel and PTFE - Unflanged
Bushes - Stainless Steel and PTFE - Unflanged

Also see combined categories:
All Steel Bushes
All Unflanged Steel Bushes

Oil, acid, alkali and salt water resistant. Contains no lead. Particularly suited to food applications, flow meters and pumps in pharmaceutical applications, printing machines chemical engineering and seawater applications.

Operating Temperature -200o to 280o Celsuis. PTFE with oilfibre 0.01 to around 0.03mm. Porous bronze 0.2 to around 0.3mm. Stainless steel backing 0.7 to around 2.3mm. 140 N/mm2 dynamic load rating. 250 N/mm2 static. 60 N/mm2 Oscillating. Speed Limit in oil 4.5 metres surface speed per second.

Related Information:


Bushes - Plastic - Iglidur Z - Flanged
Bushes - Plastic - Iglidur Z - Flanged

Also see combined categories:
All Plastic Bushes
All Flanged Plastic Bushes

High temperature. High thermal resistance. Extreme load. High surface speed.

Specific Gravity 1.40 g/cm3. Operating Temp 310 C short term / 250 C long term. Tensile Strength at 20 oC = 95 Mpa. Hardness 81 Shore D (DIN53505). Bushing bore tolerance is F10 after a H7 press fit. Tolerances listed in the tables are after assembly using H7 recommended fit.

Related Information:


Bushes - Plastic - Iglidur Z - Unflanged
Bushes - Plastic - Iglidur Z - Unflanged

Also see combined categories:
All Plastic Bushes
All Unflanged Plastic Bushes

High temperature. High thermal resistance. Extreme load. High surface speed.

Specific Gravity 1.40 g/cm3. Operating Temp 310 C short term / 250 C long term. Tensile Strength at 20 oC = 95 Mpa. Hardness 81 Shore D (DIN53505). Bushing bore tolerance is F10 after a H7 press fit. Tolerances listed in the tables are after assembly using H7 recommended fit.

Related Information:


Bushes - Plastic - Iglidur X - Flanged
Bushes - Plastic - Iglidur X - Flanged

Also see combined categories:
All Plastic Bushes
All Flanged Plastic Bushes

Very high temperature. Extreme chemical resistance. High compressive strength. Low water absorption.

Specific Gravity 1.44 g/cm3. Operating Temp 315 C short term / 250 C long term. Tensile Strength at 20 oC = 170 Mpa. Hardness 85 Shore D (DIN53505). Bushing bore tolerance is F10 after a H7 press fit. Tolerances listed in the tables are after assembly using H7 recommended fit.

Related Information:


Bushes - Plastic - Iglidur X - Unflanged
Bushes - Plastic - Iglidur X - Unflanged

Also see combined categories:
All Plastic Bushes
All Unflanged Plastic Bushes

Very high temperature. Extreme chemical resistance. High compressive strength. Low water absorption.

Specific Gravity 1.44 g/cm3. Operating Temp 315 C short term / 250 C long term. Tensile Strength at 20 oC = 170 Mpa. Hardness 85 Shore D (DIN53505). Bushing bore tolerance is F10 after a H7 press fit. Tolerances listed in the tables are after assembly using H7 recommended fit.

Related Information:


Bushes - Plastic - Iglidur A290 - Flanged
Bushes - Plastic - Iglidur A290 - Flanged

Also see combined categories:
All Plastic Bushes
All Flanged Plastic Bushes

Food grade for low speeds and direct contact with food and pharmaceuticals.

Specific Gravity 1.39 g/cm3. Operating Temp 180 C short term / 140 C long term. Tensile Strength at 20 oC = 250 Mpa. Hardness 88 Shore D (DIN53505). Bushing bore tolerance is D11 after a H7 press fit. Tolerances listed in the tables are after assembly using H7 recommended fit.

Related Information:


Bushes - Plastic - Iglidur A290 - Unflanged
Bushes - Plastic - Iglidur A290 - Unflanged

Also see combined categories:
All Plastic Bushes
All Unflanged Plastic Bushes

Food grade for low speeds and direct contact with food and pharmaceuticals.

Specific Gravity 1.39 g/cm3. Operating Temp 180 C short term / 140 C long term. Tensile Strength at 20 oC = 250 Mpa. Hardness 88 Shore D (DIN53505). Bushing bore tolerance is D11 after a H7 press fit. Tolerances listed in the tables are after assembly using H7 recommended fit.

Related Information:


2500C ICF Abu Garcia Parts
2500C ICF Abu Garcia Parts


Bearings and Spare Parts

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


2500 F1 Abu Garcia Parts
2500 F1 Abu Garcia Parts


Bearings and Spare Parts

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


Calcutta 50-100-150-200-250-251-400-600 Shimano Parts
Calcutta 50-100-150-200-250-251-400-600 Shimano Parts


Bearings and Spare Parts

Where alternative parts are offered, we make no claims as to their suitability. Selection of the most suitable bearings and parts is the responsibility of the customer. We recommend you replace bearings with the same type if that type is working well. High speed caged bearings are better suited to handle vibration than standard caged bearings.


Bushes - Plastic - Iglidur M250 - Flanged
Bushes - Plastic - Iglidur M250 - Flanged

Also see combined categories:
All Plastic Bushes
All Flanged Plastic Bushes

For impact resistance vibration dampening unclean environments.

Specific Gravity 1.14 g/cm3. Operating Temp 170 C short term / 80 C long term. Tensile Strength at 20 oC = 112 Mpa. Hardness 79 Shore D (DIN53505). Bushing bore tolerance is D11 after a H7 press fit. Tolerances listed in the tables are after assembly using H7 recommended fit.

Related Information:


Bushes - Plastic - Iglidur M250 - Unflanged
Bushes - Plastic - Iglidur M250 - Unflanged

Also see combined categories:
All Plastic Bushes
All Unflanged Plastic Bushes

For impact resistance vibration dampening unclean environments.

Specific Gravity 1.14 g/cm3. Operating Temp 170 C short term / 80 C long term. Tensile Strength at 20 oC = 112 Mpa. Hardness 79 Shore D (DIN53505). Bushing bore tolerance is D11 after a H7 press fit. Tolerances listed in the tables are after assembly using H7 recommended fit.

Related Information:


Couplings - Helical - Precision
Couplings - Helical - Precision

Also see combined categories:
All Helical and Slit Couplings

0.14 to 9 Nm. 25000 max RPM.

5o max angular misalignment. 0.076 mm Parallel offset. Zero Axial motion. Zero backlash.

Related Information:


Motors - DC 26.9X23.8 mm
Motors - DC 26.9X23.8 mm

Also see combined categories:
All DC Motors

M-26 Series 1.5 to 24 VDC - 2500 to 15100 RPM.

See Datasheets in PDF format. Link at bottom of this page. Direction of rotation (CW = Clockwise, ACW = Anticlockwise) when looking towards shaft.

Related Information:


Bushes - Plastic - Clip - Bevelled Edge
Bushes - Plastic - Clip - Bevelled Edge

Also see combined categories:
All Plastic Bushes
All Flanged Plastic Bushes

M250 Polymer minus 40 Deg C to 80 Deg C (minus 40 Deg F to 176 Deg F). Used as a light duty split bearing.

Low clearance. Maintenance free. Economical. High Precision. High wear resistance. Light weight.

Related Information:


Gears - Spur - Module 1.25 - Plastic
Gears - Spur - Module 1.25 - Plastic

Also see combined categories:
All Module 1.25 Spur Gears

PCD = No. of Teeth x 1.250mm. 20o Pressure Angle. Acetal.

Metallic and plastic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Gears - Spur - Module 1.25 - Stainless
Gears - Spur - Module 1.25 - Stainless

Also see combined categories:
All Module 1.25 Spur Gears
All Metal Module 1.25 Spur Gears

PCD = No. of Teeth x 1.250mm. 20o Pressure Angle. 303 stainless steel

Metallic and plastic. FairlocTM Hub Type require controlled shaft tolerances between 0.0025 and 0.0203 mm Clearance. For easy ready selected sets of rack and gear please see the HES website.

Related Information:


Motors - DC 30.5X24.2 mm
Motors - DC 30.5X24.2 mm

Also see combined categories:
All DC Motors

M-28 Series 1.5 to 24 VDC - 2830 to 14250 RPM.

See Datasheets in PDF format. Link at bottom of this page. Direction of rotation (CW = Clockwise, ACW = Anticlockwise) when looking towards shaft.

Related Information:


Main Pages



Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Small Parts & Bearings Pty Ltd (ABN 79 121 865 414)

Small Parts & Bearings offers 126906 products in 2519 categories including couplings, screws, hex nuts, ball bearings, roller bearings, thrust bearings, ceramic and hybrid bearings, stainless steel bearings, miniature bearings, shafting, corrosion resistant - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Small Parts & Bearings is part of MBA Group offering a select range from the MBA Group catalogue.

Small Parts & Bearings products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Small Parts & Bearings 1997. All rights reserved.

Freight Rates
Terms and Conditions
Privacy Policy

Registered Australian Company: Small Parts & Bearings Pty Ltd (ABN 79 121 865 414)

Small Parts & Bearings offers 126906 products in 2519 categories including couplings, screws, hex nuts, ball bearings, roller bearings, thrust bearings, ceramic and hybrid bearings, stainless steel bearings, miniature bearings, shafting, corrosion resistant - see the full listing in the Online Catalogue. We have excellent Freight Rates within Australia and worldwide. We offer a choice of delivery with a signature required, or cheaper options with no signature required. The no signature required options are at the customer’s risk once the goods leave our store.

Using the links throughout this site you will find extensive information including catalogues, technical data, and other product specific information. We sell our products worldwide through our online store and our overseas freight rates are competitive for fully traceable courier delivery.

Small Parts & Bearings is part of MBA Group offering a select range from the MBA Group catalogue.

Small Parts & Bearings products are not authorised for sale into the USA or Canada due to the reluctance of Australian insurers to provide product liability insurance into those two countries.

Information on this website is Copyright Small Parts & Bearings 1997. All rights reserved.