Small Parts & Bearings - an MBA company

Couplings Rigid Categories


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

Also see combined categories:
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 - 1 Piece Clamp - Steel
Couplings - Rigid - 1 Piece Clamp - Steel


12L14 Steel

This category may be available in the new MBA online store at Couplings - Rigid - 1 Piece Clamp - Steel.


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

Also see combined categories:
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 - Rigid - Hobby - Brass
Couplings - Rigid - Hobby - Brass

Also see combined categories:
All Rigid Couplings

A selection of inexpensive brass couplings for shaft sizes from 2 to 5 mm.

This category may be available in the new MBA online store at Couplings - Rigid - Hobby - Brass.

Related Information:


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

Also see combined categories:
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. This category may be available in the new MBA online store at Couplings - Rigid - Set Screw.

Related Information:


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


Match with sleeves from sleeves category

This category may be available in the new MBA online store at Couplings - Geargrip - Precision - Hubs Only.

Related Information:


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


Match with hubs from hubs category

This category may be available in the new MBA online store at Couplings - Geargrip - Precision - Sleeves Only.

Related Information:


Couplings - Helical - Economy
Couplings - Helical - Economy

Also see combined categories:
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. This category may be available in the new MBA online store at Couplings - Helical - Economy.

Related Information:


Couplings - Helical - Standard
Couplings - Helical - Standard

Also see combined categories:
All Helical and Slit Couplings

0.1 to 16.2 Nm.

Zero backlash. Max. Ang Misalignment 5o. Max Parallel Offset 0.25mm. This category may be available in the new MBA online store at Couplings - Helical - Standard.

Related Information:


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.

Related Information:


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.

Related Information:


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.

Related Information:


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 - Slit Type - Standard
Couplings - Slit Type - Standard

Also see combined categories:
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. This category may be available in the new MBA online store at Couplings - Slit Type - Standard.

Related Information:


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. This category may be available in the new MBA online store at Couplings - Spiral Beam - 6 Beam - Aluminium - Set Screw Type.

Related Information:


Couplings - HRC
Couplings - HRC

Also see combined categories:
All Insert and Jaw Type Couplings

This category may be available in the new MBA online store at Couplings - HRC.

Related Information:


Couplings - Oldham - Disks for Clamp Style
Couplings - Oldham - Disks for Clamp Style

Also see combined categories:
All Insert and Jaw Type Couplings
All Oldham Disks

0.06 to 44 Nm. Max Speed: 3000 RPM.

Disk inserts. This type of coupling is ideal for applications where it is difficult to move shafts to allow the coupling to be installed. The centre disk can be fitted after the hubs have been assembled and aligned.

Related Information:


Couplings - Oldham - Hubs - Clamp Style
Couplings - Oldham - Hubs - Clamp Style

Also see combined categories:
All Insert and Jaw Type Couplings
All Oldham Hubs

0.06 to 44 Nm. Max Speed: 3000 RPM.

Single hubs. This type of coupling is ideal for applications where it is difficult to move shafts to allow the coupling to be installed. The centre disk can be fitted after the hubs have been assembled and aligned.

Related Information:


Couplings - Spider Type C - Complete
Couplings - Spider Type C - Complete

Also see combined categories:
All Insert and Jaw Type Couplings

Miniature aluminium curved jaw flexible couplings. 2 to 160 Nm. Match only hubs and spiders from listings SPIDER TYPE C. Inserts are held between the jaws of two hubs.

Discs (either red as standard with blue or white optional) are available to purchase separately. Flexible couplings transmit torque and rotational angle while absorbing misalignment. When the misalignment exceeds allowable values, vibration may result or the life of the coupling may become shortened. Zero backlash in low torque application, made capable by having the hubs pressed in a spacer. Can be used as a flexible coupling in a high torque application. Polyurethane spider.

Related Information:


Couplings - Three Jaw Type - Hubs
Couplings - Three Jaw Type - Hubs


Match with Three Jaw Type inserts by OD. Two Hubs and one insert will be needed to make a complete coupling.

Complete with keyway and set screw. No lubrication needed. This category may be available in the new MBA online store at Couplings - Three Jaw Type - Hubs.

Related Information:


Couplings - Three Jaw Type - Inserts
Couplings - Three Jaw Type - Inserts


Match with Three Jaw Type hubs by OD

Use Bost-Bronz inserts for high torque loads at slower speeds. Use rubber for quiter operation. Use polyurethane for moderate to heavy shock loads. This category may be available in the new MBA online store at Couplings - Three Jaw Type - Inserts.

Related Information:


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.

Related Information:


Couplings - Crowned Tooth Gear - Hubs Only
Couplings - Crowned Tooth Gear - Hubs Only


Match with sleeves from the sleeves category

+/- 1.02 mm Axial Displacement. 0.41mm Parallel offset per hub. 1o Angular Displacement. Free axial movement. 19.55 to 88 Nm. 8500 to 14000 rpm. High torque / low inertia.

Related Information:


Couplings - Crowned Tooth Gear - Sleeve Only
Couplings - Crowned Tooth Gear - Sleeve Only


Match with hubs from the hubs category

+/- 1.02 mm Axial Displacement. 0.41mm Parallel offset per hub. 1o Angular Displacement. Free axial movement. 19.55 to 88 Nm. 8500 to 14000 rpm. High torque / low inertia.

Related Information:


Couplings - Neo-Flex
Couplings - Neo-Flex


0.71 to 1.27 Nm.

303 stainless steel with 73 durometer neoprene centre. Shaft to shaft insulation. Torsional vibration isolation. Ribbed style are more flexible than smooth style. Bore Tolerances: +0.025 / -0.000.

Related Information:


465LRN Coupling Kavo Parts
465LRN Coupling Kavo 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.


Shafts - Flexible - Coupling Ends - Open - Mild Steel
Shafts - Flexible - Coupling Ends - Open - Mild Steel

Also see combined categories:
All Coupling End Flexible Shaft

Flexible shafting with coupling ends ready to attach to a fixed shaft.

1.7 and 2.5mm cable diameters can be operated manually at 62mm bend radius with torsional break strength of 0.62 N.m. 3.3F shaft has a greater degree of flexibility than standard 3.3mm. 3.3F shaft can be used in dynamic mode if shaft isshortened to approximately 50mm. This category may be available in the new MBA online store at Shafts - Flexible - Coupling Ends - Open - Mild Steel.

Related Information:


Spacers - Hex - Threaded - Brass
Spacers - Hex - Threaded - Brass

Also see combined categories:
All Threaded Hex Spacers

Threaded Hex Spacers. Also known as coupling nuts.

Most items are nickel plated. Refer details recorded against each item. This category may be available in the new MBA online store at Spacers - Hex - Threaded - Brass.


Spacers - Hex - Threaded - Steel
Spacers - Hex - Threaded - Steel

Also see combined categories:
All Threaded Hex Spacers

Threaded Hex Spacers. Also known as coupling nuts, joiner or connector.

This category may be available in the new MBA online store at Spacers - Hex - Threaded - Steel.


Spacers - Hex - Threaded - 316 Stainless Steel
Spacers - Hex - Threaded - 316 Stainless Steel

Also see combined categories:
All Threaded Hex Spacers

Threaded Hex Spacers. Also known as coupling nuts, joiner or connector.

This category may be available in the new MBA online store at Spacers - Hex - Threaded - 316 Stainless Steel.


Spacers - Hex - Threaded - 303-304 Stainless Steel
Spacers - Hex - Threaded - 303-304 Stainless Steel

Also see combined categories:
All Threaded Hex Spacers

Threaded Hex Spacers. Also known as coupling nuts, joiner or connector.

This category may be available in the new MBA online store at Spacers - Hex - Threaded - 303-304 Stainless Steel.


Adjusters - Rigid
Adjusters - Rigid

Also see combined categories:
All Mounting Feet

Adjustable supports for all kinds of machinery.

Mild steel bright zinc plated. Screwdriver cross recess in base. Use as mounting feet. This category may be available in the new MBA online store at Adjusters - Rigid.

Related Information:


Castors - Plate - Utility
Castors - Plate - Utility

Also see combined categories:
All Plate Type Castors

Swivel and Rigid Castors for Light duty applications. Plate mounted type.

This category may be available in the new MBA online store at Castors - Plate - Utility.


Gearmotors - Basic - Hobby - 12.1mm Diameter
Gearmotors - Basic - Hobby - 12.1mm Diameter

Also see combined categories:
All Basic Gearmotors

Small light weight geared motors used in toys and small solar applications

NOTE! These do not have a standard output shaft. The output is a plastic crossed block (see diagram) which is designed to be fitted to a fabricated coupling in O.E.M applications. However, the plastic block would be suitable for drilling and attaching objects with wire for rotating mobile type applications. This category may be available in the new MBA online store at Gearmotors - Basic - Hobby - 12.1mm Diameter.


Circlips - External - Bevelled
Circlips - External - Bevelled

Also see combined categories:
All External Circlips

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. This category may be available in the new MBA online store at Circlips - External - Bevelled.

Related Information:


Circlips - Internal - Bevelled
Circlips - Internal - Bevelled

Also see combined categories:
All Internal Circlips

N1302 / VHO / 16631 / 9002 / N5002. Retaining rings. Snap Rings (USA).

A 15 Deg. bevel on the outside 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. This category may be available in the new MBA online store at Circlips - Internal - Bevelled.

Related Information:


Balls - Plastic - Acetal
Balls - Plastic - Acetal

Also see combined categories:
All Plastic Balls
All Non Metallic Balls

High intensity strength, rigidity, outstanding resistance to abrasion and most solvents.

Tolerances available on request. Acetal Copolymer. High intensity strength, rigidity, outstanding resistance to abrasion and most solvents. Standard Opaque White. Specific Gravity: 1.4.

Related Information:


Linear Positioner Units
Linear Positioner Units


Effective way to position heavy loadsquickly and easily. Single pin unit offers high rigidity with small deflection.

This category may be available in the new MBA online store at Linear Positioner Units.


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. This category may be available in the new MBA online store at Rail Systems - Type 2 - Linear - Precision - Rails - Chrome Coated.

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. This category may be available in the new MBA online store at Rail Systems - Type 3 - Linear - Precision - Rails - Carbon Steel.

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:





Main Pages

About Us Acetal Bearings PDF ADR and SKF PDF Anderton Circlips Cross Reference PDF Ball Lock Pins PDF Balls List Balls PDF Barden Bearings Cross Reference PDF Bearings List Brands Catalogue Ceramic Bearings PDF Circlips PDF Clearance Items List Clevis Pins PDF Contact Us Charity Corrosion Resistant Bearings PDF Dental Bearings Disc Springs PDF Dowel Pins PDF Dowel Pins Economy Bearings PDF Essentra Cross Reference PDF Flocast Cross Reference PDF Freight Rates and Shipping Times Frequently Asked Questions General Information about MBA Hammer Drive Pins PDF High Speed Bearings PDF Hobby Clearance Hobby Information K&S Metals Cross Reference PDF Key Steel PDF Knobs PDF Large Bearings Leveling Mounts PDF Mailorder Form Metallic Bushes PDF Miniature Precison Bearings Cross Reference PDF Miscellaneous Brands Cross Reference PDF Nordex Cross Reference PDF NSK and NTN Cross Reference PDF Ondrives Cross Reference PDF O-Rings PDF Pins PDF Plastic Bearings PDF Polyvee Belts and Pulleys PDF Precision Shim Washers PDF Privacy Push On and Push In Rings PDF Reid Supply Cross Reference PDF Rod & Tube PDF Roll Pins PDF Screws PDF SDP-SI Designatronics Cross Reference PDF Seeger Circlips Cross Reference PDF Shaft Collars PDF Shim Sheet PDF Shoulder Screws PDF Sintered Bronze Bushes PDF Sintered Bronze Cross Reference PDF Small Bearings Small Parts Inc Cross Reference PDF Snap Rings PDF Socket Set Screws PDF Solid Bronze Bushes PDF Spring Steel Strip PDF Springs PDF Standard Ball Bearing Range PDF Super Precision Bearings PDF Taper Pins PDF Technical Information Terms Thrust Bearings PDF Thumb Screws and Nuts PDF Timing Belts and Pulleys Cross Reference PDF Timing Belts PDF Timing Pulley Stock PDF Timing Pulleys PDF Vibration Mounts PDF Washers and Spacers PDF Wave Washers PDF Domains


Freight Rates
Terms and Conditions
Privacy Policy

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

Small Parts & Bearings offers 141362 products in 2026 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.

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 141362 products in 2026 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.

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