EX138 MARTIN
Cross Referenced Part Numbers
Martin part number Ex1-3-8Matches our part number
Bore: 34.925. Series: E. Flange OD (D): 152.40.
Group: Bushings - QD
Part Link: QD-E-0349
Retail Price: 0.00
Lower price for quantities
Stock: Pre-Order (due 6 weeks) Due dates are estimates only
Lower price for quantities
Stock: Pre-Order (due 6 weeks) Due dates are estimates only
Category Matches
Shaft Extenders and Reducers
Extenders - Shaft
Miniature and large shaft extenders and reducers. Used to increase or reduce the diameter, or increase the length of shafts.
Also known as shaft increasers or shaft reducers.
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Circlips
Circlips - External - Bevelled
N1402 / VSH / 5102 / 16630. Retaining rings. Snap Rings (USA).
A 15 Deg. bevel on the inside diameter to be fitted to a 15% bevel on the load bearing groove wall. Will yield rigid end-play take-up of manufacturing tolerances or wear on the retained part. Used in greasy or oily environments.
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Circlips - External - Grooveless
Includes MIL-R-21248/MS 90707 - Styles M1440 / Ellison GR / Seeger G and GA. Retaining rings. Snap Rings (USA).
Reusable tapered section rings for grooveless shafts like plastics, tubes or castings. Can be used where adjustable ring placement is desired - like progressively tightening a compression spring.
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Circlips - External - Inverted
N1408 / SHI / 16626 / 4100 / 5108 - Spring Steel and Stainless Steel. Retaining rings. Snap Rings (USA).
Tapered section ring with lugs inverted on the ID to allow use in tight areas with minimal clearance. Less thrust load than standard circlips.
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Circlips - External - Standard - Berryllium Copper
Imperial and metric DIN471 / N1400 / D1460. Retaining rings. Snap Rings (USA).
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Circlips - External - Standard - Carbon Steel
Imperial and metric DIN471 / D1400 / N1400 / D1460. Retaining rings. Snap Rings (USA).
Plain carbon steel.
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Circlips - External - Standard - Stainless Steel
Imperial and metric DIN471 / D1400 / N1400 / D1460. PH15-7 Mo Stainless Steel. Retaining rings. Snap Rings (USA).
PH15-7 Mo Stainless Steel.
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Circlips - External - Standard - Zinc Plated
Imperial and metric DIN471 / D1400 / N1400 / D1460. Retaining rings. Snap Rings (USA).
Zinc plated carbon steel.
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Circlips - External - Tabbed
DIN 983 / D2100 / AK. Retaining rings. Snap Rings (USA).
External tabs are concentrically positioned for positioning in a concealed assembly. Tabs act as spacers for securing machine components. Conforming to DIN 983.
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Wire Rings - External - Round Section
DIN7993A / RW / BN825. Retaining rings. Snap Rings (USA). Round section circlips.
Round section wire rings are mostly used in semicircular grooves. Applications include gear systems, automotive engineering and open gudgeon pins.
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Clamping Rings
Spiral Rings - External - Heavy Duty - Carbon Steel
AHE / WSM / AS3216 / RSN / MIL-R-27426A2 - Spring Steel
Heavy duty design for use with NAS669-670 deep grooves in applications like double row and tapered roller bearings. Requires no tools for removal. Equivalent to Associated Spring: AHE, Smalley: WSM, Spirolox and Ramsey: RSN, Aerospace: AS3216, MIL-R-27426A2.
Spiral Rings - External - Heavy Duty - Stainless Steel
AHE / WSM / AS3216 / RSN / MIL-R-27426A2 - Stainless Steel.
Heavy duty design for use with NAS669-670 deep grooves in applications like double row and tapered roller bearings. Requires no tools for removal. Equivalent to Associated Spring: AHE, Smalley: WSM, Spirolox and Ramsey: RSN, Aerospace: AS3216, MIL-R-27426A2.
Spiral Rings - External - Light Duty - Carbon Steel
Includes series CE / VS / US - Spring Steel
Light duty single turn rings used in low clearance applications. Also used as a positioning point for light loads. Radius notch on one end for removal. Narrow radial wall yields moderate thrust loads. Equivalent to Associated Spring: CE, Smalley: VS, Spirolox and Ramsey: US.
Spiral Rings - External - Light Duty - Stainless Steel
Includes series CE / VS / US - Stainless Steel.
Light duty single turn rings used in low clearance applications. Also used as a positioning point for light loads. Radius notch on one end for removal. Narrow radial wall yields moderate thrust loads. Equivalent to Associated Spring: CE, Smalley: VS, Spirolox and Ramsey: US.
Spiral Rings - External - Medium Duty - Carbon Steel
AE / WS / AS3218 / RS / MIL-R-27426A1 - Spring Steel
Popular series that will accommodate light and medium bearing series thrust loads. Available in military and aerospace specifications. Equivalent to Associated Spring: AE, Smalley: WS, Spirolox and Ramsey: RS, Aerospace AS3218, MIL-R-27426A1.
Spiral Rings - External - Medium Duty - Stainless Steel
AE / WS / AS3218 / RS / MIL-R-27426A1 - Stainless Steel.
Popular series that will accommodate light and medium bearing series thrust loads. Available in military and aerospace specifications. Equivalent to Associated Spring: AE, Smalley: WS, Spirolox and Ramsey: RS, Aerospace AS3218, MIL-R-27426A1.
Spiral Rings - External - Medium-Heavy Duty - Carbon Steel
AME / WST / RST - Spring Steel
Originally designed to fit NAS50-51 grooves, this series is a popular OEM specification. This two/three turn design is easier to install than the heavy duty RRN option. Equivalent to Associated Spring: AME, Smalley: WST, Spirolox and Ramsey: RST.
Spiral Rings - External - Medium-Heavy Duty - Stainless Steel
AME / WST / RST - Stainless Steel.
Originally designed to fit NAS50-51 grooves, this series is a popular OEM specification. This two/three turn design is easier to install than the heavy duty RRN option. Equivalent to Associated Spring: AME, Smalley: WST, Spirolox and Ramsey: RST.
Clips
Snap Rings - External - Basic
Includes series M3200 / SP / ESP / M2400 / SW snaprings. Similar to a circlip without the lugs.
Carbon sping steel. Used on the outside diameter of a bearing, shaft or similar equipment.
Pins Dowel
Pins - Dowel - Extractable
Hardened and Ground Steel 100 Cr6. Din 7979.
Extractable dowels have a thread tapped in the end to fascilitate removal from blind holes. An air release flat is ground along the full length of the pin to overcome the problem of pressure build up by trapped air. Hardness 55-62 HRC, HV550-650. Extractable pins may or may not have a flat to vent pressure when pulling. Also known as parallel pins.
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Pins - Dowel - Extractable - With Vent
Hardened and Ground Steel 100 Cr6 with a ground flat along one edge. DIN7979D.
Extractable dowels have a thread tapped in the end to fascilitate removal from blind holes. An air release flat is ground along the full length of the pin. Hardness 55-62 HRC, HV550-650. Also known as parallel pins.
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Pins General
Pins - Hitch - External
Similar to R-Clips, but designed for both arms to fit around a shaft groove rather thand having one arm through a bored hole.
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Thread Inserts
Inserts - Expansion - Press In - 303 Stainless - Flanged
Use for cored or drilled holes in plastics. Designed to replace molded in inserts and threads in plastic casings. Also known as threaded inserts.
Material : 303 Stainless Steel. Easiest inserts to install - simply push into a pre-moulded hole. Used with plastics or other materials. Material must be strong enough to withstand the expansion of the insert. The insertion of the screw locks the external knurls into the wall of the hole. Provides excellent thread durability but where maximum strength is required other inserts shown in this catalogue should be preferred.
Inserts - Expansion - Press In - 303 Stainless Steel
Use for cored or drilled holes in plastics. Designed to replace molded in inserts and threads in plastic casings. Also known as threaded inserts.
Material : 303 Stainless Steel. Easiest inserts to install - simply push into a pre-moulded hole. Used with plastics or other materials. Material must be strong enough to withstand the expansion of the insert. The insertion of the screw locks the external knurls into the wall of the hole. Provides excellent thread durability but where maximum strength is required other inserts shown in this catalogue should be preferred.
Inserts - Expansion - Press In - Brass
Use for cored or drilled holes in plastics. Designed to replace molded in inserts and threads in plastic casings. Also known as threaded inserts.
Material : Brass. Easiest inserts to install - simply push into a pre-moulded hole. Used with plastics or other materials. Material must be strong enough to withstand the expansion of the insert. The insertion of the screw locks the external knurls into the wall of the hole. Provides excellent thread durability. Not as strong as wind-in inserts.
Inserts - Expansion - Press In - Brass - Flanged
Use for cored or drilled holes in plastics. Designed to replace molded in inserts and threads in plastic casings. Also known as threaded inserts.
Material : Brass. Easiest inserts to install - simply push into a pre-moulded hole. Used with plastics or other materials. Material must be strong enough to withstand the expansion of the insert. The insertion of the screw locks the external knurls into the wall of the hole. Provides excellent thread durability. Not as strong as wind-in inserts.
Washers Lock
Washers - Lock - External Tooth - Stainless Steel
Dimensions are nominal and may vary between batches.
Linear Slides
Slides - Drawer - Extra Heavy Duty
Ideal for computer server stotage, tool boxes, service truck tool drawers and vehicle battery trays. Full extension extra heavy duty slide. 220kg load rating for moderate use, 175kg for frequent use, 130kg for mobile (vehicular) use.
65kg load rating for flat mount applications. Slide space required 19.1mm. Slide includes a silencing bumper for drawer closure. Caution - slide must never be used as a pull-out step, platform or any application supporting human weight.
Springs Extension
Springs - Extension - Music Wire
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
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:
Tools Screw Extractors
Tools - Screw Extractors
The quick and easy way to remove broken screws, bolts, pipes and studs.
Note! You will also need a drill bit of the correct size for each extractor.
Clamping Rings
Rings - Retaining - C Type External - For Linear Bearings
Fits into the retaining ring grooves on the outside diameter of Super Smart, Super and Precision Linear Bearings to provide external mounting retension.
Pins Taper
Pins - Taper - Imperial - Extractable - External Thread - Stainless Steel
Imperial Sizes Tapered 1:48 (1/4 in. per foot). Standard sizes numbers 0 to 14.
Threaded externally for easy extraction.
Related Information:
Pins - Taper - Metric - Extractable - External Thread
Metric Sizes Tapered 1:50 and threaded externally for easy extraction.
DIN 7977.
Related Information:
Pins - Taper - Metric - Extractable - Internal Thread
Metric Sizes Tapered 1:50 and threaded internally for easy extraction.
DIN 7978.
Related Information:
Shaft Extenders and Reducers
Reducers - Bore
Inch to Metric / Inch to Inch / Metric to Metric. Brass reducing bushes.
S = Recommended set screw positions. C = Recommended position for single set screw fastening. T = Recommended position for tangential screw in clamp hub.
Related Information:
Springs Die
Springs - Die - Imperial - Extra Heavy Duty
Vapor degassed high tensile strength chromium alloy steel. Spring ends are ground square. Designed for long life cycle with constant high end deflections and shot peened to increase fatigue life.
Colour coded green. Efficient operating range is 15 to 20 percent of the length. Maximum deflection is 25 percent of the length.
Related Information:
Tools Circlip
Tools - Circlip Pliers - External
Also see combined categories:
All Tools
All Tools
External circlip pliers including standard and ratchet type.
Size ranges shown are for standard circlips. May also suit some non standard sizes outside the range shown. The sizes shown are for reference only. If you are buying a set of pliers to suit one particular job, please enquire as to the suitability of the pliers selected.
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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.
Balls Ceramic
Balls - Ceramic - Ruby - Synthetic
Extreme hardness, wear resistance, non-corrosiveness and chemical inertness.
Tolerances available on request. Grades shown are AFBMA / ISO3290-1. Grade 25. Extreme hardness, wear resistance, non-corrosiveness and chemical inertness. High mechanical strength. Specific Gravity: 3.98.
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Balls - Ceramic - Sapphire - Synthetic
Extreme hardness, wear resistance, non-corrosiveness and chemical inertness.
Tolerances available on request. Grades shown are AFBMA / ISO3290-1. Specific Gravity: 3.98. Grade 25. Extreme hardness, wear resistance, non-corrosiveness and chemical inertness. High mechanical strength. Transparent (refractive index 1.76).
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Balls Metallic
Balls - Tungsten Carbide
Extreme hardness and wear resistance.
Tolerances available on request. Grades shown are AFBMA / ISO3290-1. Precision Grade: Grade 25. Hardness: Rockwell A: 91.5 (Approx 77 Rockwell C). Extreme hardness and wear resistance. Specific Gravity: 14.95.
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Balls Plastic
Balls - Plastic - Polypropylene
Excellent for liquid level float applications.
Tolerance and sphericity: up to and including 25.4mm diameter = + / -0.0508mm, over 25.4mm diameter +/-0.0762mm. Very resistant to most acids and alkalies. Excellent for liquid level float applications. Unpolished. Specific Gravity: 0.91.
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Bearings Ceramic
Bearings - Ceramic Si3N4 - Radial
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 and rings. HRC80 Hardness. High and low- temperature application. Up to 250 Deg C with PTFE Cage and 130 Deg C with Nylon Cage. Up to 700 deg C without a cage or seals.
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Bearings - Ceramic ZrO2 - Radial
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 and rings. Si3N4 available to special order. High and low- temperature application. Up to 250 Deg C with PTFE Cage and 130 Deg C with Nylon Cage. Up to 1000 deg C without a cage or seals.
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Screws Panel
Screws - Panel - Steel
Extra large head. One piece construction. Carbon steel with black oxide finish.
Linear Slides
Slides - Drawer - Front Disconnect - Friction - 19mm Ext
Made from 304 stainless with bearing balls. Used where corrosion resistance is required such as laboratories, humid and damp environments, marine applications and clean rooms. Bright finish, tight tolerance, quiet operation and smooth glide.
Side mounted two member slide. Friction brake allows drawer to come to a slow stop. Front disconnects by pulling firmly on the drawer until it releases. Requires 16 M4 or 8 Gauge Pan Head Screws (not included).
Slides - Drawer - Front Disconnect - Friction - 19mm Ext - Undercarriage
Made from 304 stainless with bearing balls. Used where corrosion resistance is required such as laboratories, humid and damp environments, marine applications and clean rooms. Bright finish, tight tolerance, quiet operation and smooth glide.
Undercarriage mounted two member slide. Friction brake allows drawer to come to a slow stop. Only one required per drawer. Requires 16 M4 or 8 Gauge Pan Head Screws (not included). Shipped with a bracket and two plastic tracks.
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Registered Australian Company: Small Parts & Bearings Pty Ltd (ABN 79 121 865 414)
Small Parts & Bearings offers 129515 products in 2149 categories including couplings, screws, hex nuts, ball bearings, roller bearings, thrust bearings, ceramic and hybrid bearings, stainless steel bearings, miniature bearings, shafting, corrosion resistant bearings - 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.
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