Small Parts & Bearings - an MBA company

Couplings Helical Precision Categories


Couplings Helical and Slit


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.

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Couplings Geargrip


Couplings - Geargrip - Precision - Hubs Only
Couplings - Geargrip - Precision - Hubs Only


Match with sleeves from sleeves category


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Couplings - Geargrip - Precision - Sleeves Only
Couplings - Geargrip - Precision - Sleeves Only


Match with hubs from hubs category


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Couplings Rigid


Couplings - Rigid - Set Screw
Couplings - Rigid - Set Screw

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All Rigid Couplings

0.35 to 5.1 Nm. Includes steel, stainless steel, brass and aluminium.

Quality Class Precision: Bore Tolerance +0.013 / - 0.000 concentric within 0.0127mm T.I.R. Quality Class Commercial: Bore Tolerance +0.051 / -0.000.

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Couplings - Rigid - 1 Piece Clamp - Stainless Steel
Couplings - Rigid - 1 Piece Clamp - Stainless Steel

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All Rigid Couplings

303 Grade Stainless

Precision Machined. High torsional load. Non marring, easy to install and adjust. Use on hardened shafts, rigid clamp type design, easily machinable. Available with stepped bores and keyways on 5 week delivery.


Couplings - Rigid - 2 Piece Clamp - Steel
Couplings - Rigid - 2 Piece Clamp - Steel

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All Rigid Couplings

12L14 Steel

Precision Machined. High torsional load. Non marring, easy to install and adjust. Assemble without moving shafts. Use on hardened shafts, rigid clamp type design, easily machinable. Black finish with alloy steel cap screws. Available with stepped bores and keyways on 5 week delivery.


Couplings Helical and Slit


Couplings - Helical - Economy
Couplings - Helical - Economy

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All Helical and Slit Couplings

Low cost aluminium couplings primarily used for 3D printer stepper motors

Max. Ang Misalignment 5o. Max Parallel Offset 0.25mm.

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Couplings - Helical - Long Series
Couplings - Helical - Long Series

Also see combined categories:
All Helical and Slit Couplings

2.9 to 31.4 Nm.

5o max angular misalignment. 0.762 mm Parallel offset. +/- 0.254 mm Axial motion. Zero backlash.

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Couplings - Helical - Low Inertia
Couplings - Helical - Low Inertia

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All Helical and Slit Couplings

0.8 to 13.2 Nm.

5o max angular misalignment. 0.254 mm Parallel offset. +/- 0.203 mm Axial motion. Zero backlash.

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Couplings - Helical - Short - Ondrives
Couplings - Helical - Short - Ondrives

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All Helical and Slit Couplings

Material: 303 S3U Stainless.

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Couplings - Helical - Standard
Couplings - Helical - Standard

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All Helical and Slit Couplings

0.1 to 16.2 Nm.

Zero backlash. Max. Ang Misalignment 5o. Max Parallel Offset 0.25mm.

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Couplings - Slit Type - Standard
Couplings - Slit Type - Standard

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All Helical and Slit Couplings

Aluminium - Stainless Steel - Flexible - Zero Backlash. 0.1 to 35 Nm. 2400 to 48000 rpm.

High Torsional Stiffness. Zero Backlash.

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Couplings - Flex Beam - Clamp Style
Couplings - Flex Beam - Clamp Style

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All Helical and Slit Couplings

Zero backlash machined from a single piece of aluminium and featuring two sets of spiral cuts.

Higher torque and reduced windup compared to commodity type single beam couplings.


Couplings - Flex Beam - Set Screw Style
Couplings - Flex Beam - Set Screw Style

Also see combined categories:
All Helical and Slit Couplings

Zero backlash machined from a single piece of aluminium and featuring two sets of spiral cuts.

Higher torque and reduced windup compared to commodity type single beam couplings.


Couplings - Reli-a-flex - Long Series - Clamp Type
Couplings - Reli-a-flex - Long Series - Clamp Type

Also see combined categories:
All Helical and Slit Couplings

From compact 6mm diameter 0.15Nm Working Torque to 40mm diameter 8.3Nm Working Torque. Reli-a-flex(R).

Aluminium Alloy 7075-T6. Zero backlash, one piece construction. Maximises torsional stiffness without inducing high bearing loads. Over 50,000,000 test cycles at rated load and 80 percent offset without failure. Maintenance Free. Recommended temperature range minus 80 oC to plus 80 Deg C.

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Couplings - Reli-a-flex - Short Series - Clamp Type
Couplings - Reli-a-flex - Short Series - Clamp Type

Also see combined categories:
All Helical and Slit Couplings

From compact 6mm diameter 0.15Nm Working Torque to 40mm diameter 8.3Nm Working Torque. Reli-a-flex(R).

Aluminium Alloy 7075-T6. Zero backlash, one piece construction. Maximises torsional stiffness without inducing high bearing loads. Over 50,000,000 test cycles at rated load and 80 percent offset without failure. Maintenance Free. Recommended temperature range minus 80 oC to plus 80 Deg C.

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Couplings - Reli-a-flex - Short Series - Set Screw Type
Couplings - Reli-a-flex - Short Series - Set Screw Type

Also see combined categories:
All Helical and Slit Couplings

From compact 6mm diameter 0.15Nm Working Torque to 40mm diameter 8.3Nm Working Torque. Reli-a-flex(R).

Aluminium Alloy 7075-T6. Zero backlash, one piece construction. Maximises torsional stiffness without inducing high bearing loads. Over 50,000,000 test cycles at rated load and 80 percent offset without failure. Maintenance Free. Recommended temperature range minus 80 oC to plus 80 Deg C.

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Couplings - Spiral Beam - 6 Beam - Aluminium - Set Screw Type
Couplings - Spiral Beam - 6 Beam - Aluminium - Set Screw Type

Also see combined categories:
All Helical and Slit Couplings

Pilot Bore size not toleranced. Finished Bore sizes to +0.03/0.00.

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Couplings - Slit Type - 4 Slit Miniature - Set Screw Type - Aluminium
Couplings - Slit Type - 4 Slit Miniature - Set Screw Type - Aluminium

Also see combined categories:
All Helical and Slit Couplings

Aluminium - Flexible.



Couplings K Type


Couplings - K Type
Couplings - K Type


Up to 3600 RPM - Minus 20 to Plus 60o C. 0.34 to 18 Nm.

Strong, flexible polyurethane or Hyrtel(R) is cut and tear resistant. Up to 3600 RPM. Urethane: Minus 20 to Plus 60o C / Hyrtel(R) : Minus 40 to Plus 100o C. Precision swaged mechanically crimped hubs. Annealed steel hubs.

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Bearings - Precision Scale
Bearings - Precision Scale


Bearings for scales.

Note! Minimum quantities apply to production of these items.


Knobs - Precision - Knurled
Knobs - Precision - Knurled

Also see combined categories:
All Knurled Knobs
All Knobs

Set screw and clamp types - Stainless Steel. Also known as Thumb Knobs.

303 Stainless Steel. ID Tolerance +0.013 / -0.000 mm (+0.0005 / - 0.0000 inch).


Sleeves - Cylindrical - Precision Indexing Plunger
Sleeves - Cylindrical - Precision Indexing Plunger

Also see combined categories:
All Sleeves for Plungers

Use with precision indexing plungers and locking bolts



Sleeves - Tapered - Precision Indexing Plunger
Sleeves - Tapered - Precision Indexing Plunger

Also see combined categories:
All Sleeves for Plungers

Use with precision indexing plungers and locking bolts



Plungers - Indexing - Precision - Ball Grip
Plungers - Indexing - Precision - Ball Grip

Also see combined categories:
All Indexing Plungers

Used to prevent change in locking position due to shearing force. Spring loaded for use in fastening, locating and indexing on equipment, tooling and other applications.



Plungers - Indexing - Precision - Locking - Ball Grip
Plungers - Indexing - Precision - Locking - Ball Grip

Also see combined categories:
All Indexing Plungers

Used to prevent change in locking position due to shearing force. Spring loaded for use in fastening, locating and indexing on equipment, tooling and other applications.



Plungers - Indexing - Precision - With Support - Ball Grip
Plungers - Indexing - Precision - With Support - Ball Grip

Also see combined categories:
All Indexing Plungers

Used to prevent change in locking position due to shearing force. Spring loaded for use in fastening, locating and indexing on equipment, tooling and other applications.



Plungers - Indexing - Precision - With Support - Locking - Ball Grip
Plungers - Indexing - Precision - With Support - Locking - Ball Grip

Also see combined categories:
All Indexing Plungers

Used to prevent change in locking position due to shearing force. Spring loaded for use in fastening, locating and indexing on equipment, tooling and other applications.



Shafting - Ground - Precision - Chrome Plated
Shafting - Ground - Precision - Chrome Plated


Precision ground shafting. AISI C1060 and chrome plated for corrosion resistance. Case hardened and recommended for use with precision bearings. Ends are not plated.

Case hardened to 60-65 Rockwell C. Chrome plated for corrosion resistance.


Shafting - Ground - Precision - High Carbon Steel
Shafting - Ground - Precision - High Carbon Steel

Also see combined categories:
All Shafting
All Steel Shafting

Precision ground shafting. AISI C1060. Hardened and recommended for use with precision bearings.


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Shafting - Ground - Precision - Stainless 303 Grade
Shafting - Ground - Precision - Stainless 303 Grade

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All Shafting
All Stainless Shafting

Precision ground shafting.


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Shafting - Ground - Precision - Stainless 316 Grade
Shafting - Ground - Precision - Stainless 316 Grade

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All Shafting
All Stainless Shafting

Precision ground shafting.


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Shafting - Ground - Precision - Stainless 416 Grade Hardened
Shafting - Ground - Precision - Stainless 416 Grade Hardened

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All Shafting
All Stainless Shafting

Precision ground shafting. 416 grade. Hardened and recommended for use with precision bearings.


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Shafting - Ground - Precision - Stainless 420 Grade Hardened
Shafting - Ground - Precision - Stainless 420 Grade Hardened

Also see combined categories:
All Shafting
All Stainless Shafting

Precision ground shafting. 420 grade. Hardened and recommended for use with precision bearings.


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Shafting - Ground - Precision - Stainless 440C Grade Hardened
Shafting - Ground - Precision - Stainless 440C Grade Hardened

Also see combined categories:
All Shafting
All Stainless Shafting

Precision ground shafting. 440C grade. Hardened and recommended for use with precision bearings.


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Shafting - Ground - Precision - Titanium - Ti-Gr2-TA1
Shafting - Ground - Precision - Titanium - Ti-Gr2-TA1

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All Shafting
All Titanium Shafting

CP2 Commercially Pure Titanium Grade 2. Tensile Strength 35.2 kgf/mm2. Yield Strength 28.2 kgf/mm2. Elongation 20 Percent.

Commercially pure for general industrial corrosion applications. UNS R50400. Widely used in power generation, chemical processing, aerospace and medical applications. Composition Percentage: Al 0, V 0, N 0.03, C 0.08, H 0.015, Fe 0.3, O 0.25, Ti Balance.

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Shafting - Ground - Precision - Titanium - Ti-Gr5 - TC4
Shafting - Ground - Precision - Titanium - Ti-Gr5 - TC4

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All Shafting
All Titanium Shafting

Used in critical aircraft structural components. UNS R56400. Composition Percentage: Al 5.5-6.75, V 3.5-4.5, N 0.05, C 0.08, H 0.015, Fe 0.40, O 0.2, Ti Balance. Grade 5 6Al-4V is a high strength titanium alloy. Tensile Strength 91.5kgf / mm2. Yield Strength 84.5kgf / mm2. Elongation 10 Percent.

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Bearings - Ball - High Precision - 440C Stainless
Bearings - Ball - High Precision - 440C Stainless

Also see combined categories:
All Radial Ball Bearings
All Basic Single Row Bearings Stainless and Chrome

Stainless Steel Bearings - Abec 5 and Abec 7.

Single row radial ball bearings. True high precision bearings are not recommended for skates or fishing reels. High precision bearings are used in accurately balanced application such as spindles, gyros and medical equipment. If your application is not of a precision nature, standard bearings may be more suitable (and less expensive).

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Bearings - Ball - High Precision - Chrome Steel
Bearings - Ball - High Precision - Chrome Steel

Also see combined categories:
All Radial Ball Bearings
All Basic Single Row Bearings Stainless and Chrome

Chrome Steel Bearings - Abec 5 and Abec 7.

Single row radial ball bearings. True high precision bearings are not recommended for skates or fishing reels. High precision bearings are used in accurately balanced application such as spindles, gyros and medical equipment. If your application is not of a precision nature, standard bearings may be more suitable (and less expensive).

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Shim - Tin
Shim - Tin

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All Shim
All Sheet

Precision steel shim sheet. Very thin to thick sizes.

NOTE! Very thin sizes may experience some bending or indentations. This product is meant for engineering applications not decorative applications.


Shafts - Idler
Shafts - Idler


Ready made precision ground idler shafts.

Internal grease hole can be accessed by drilling if required. Use with your idler pulleys. Can be used with the idler tensioners listed on this site or use in your own design.

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Shafts - Pinion
Shafts - Pinion




Bearings - Ball - Flanged - High Precision - 440C Stainless
Bearings - Ball - Flanged - High Precision - 440C Stainless

Also see combined categories:
All Radial Ball Bearings
All Flanged Ball Bearings

Stainless Steel Bearings with Flanges - Abec 5 and Abec 7.

Single row radial ball bearings with flanges. True high precision bearings are not recommended for skates or fishing reels. High precision bearings are used in accurately balanced application such as spindles, gyros and medical equipment. If your application is not of a precision nature, standard bearings may be more suitable (and less expensive).

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Bearings - Ball - WIR - High Precision - 440C Stainless
Bearings - Ball - WIR - High Precision - 440C Stainless

Also see combined categories:
All Radial Ball Bearings
All Extended Inner Ring Bearings

Stainless Steel Bearings - Abec 5 and Abec 7.

Single row radial ball bearings with extended inner ring (wide inner ring). True high precision bearings are not recommended for skates or fishing reels. High precision bearings are used in accurately balanced application such as spindles, gyros and medical equipment. If your application is not of a precision nature, standard bearings may be more suitable (and less expensive).

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Screws - Thumb - Knurled - Stainless - Precision Head
Screws - Thumb - Knurled  - Stainless - Precision Head

Also see combined categories:
All Thumb Screws



Washers - Flat - Sintered Bronze - Precision
Washers - Flat - Sintered Bronze - Precision

Also see combined categories:
All Precision Flat Washers - Metallic
All Flat Washers and Spacers - Metallic

Flat thrust washers made from oil impregnated sintered bronze


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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.


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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.


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

Small Parts & Bearings offers 124371 products in 2774 categories including ball bearings, roller bearings, thrust bearings, ceramic and ceramic hybrid bearings, stainless steel bearings, miniature bearings, linear bearings, shafting, oil seals and adhesives - 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 124371 products in 2774 categories including ball bearings, roller bearings, thrust bearings, ceramic and ceramic hybrid bearings, stainless steel bearings, miniature bearings, linear bearings, shafting, oil seals and adhesives - 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.