Couplings Helical Precision Categories


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Couplings Helical and Slit

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Couplings - Helical - Precision
Couplings - Helical - Precision

Search Rating: 100%

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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

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

Search Rating: 71%

Match with sleeves from sleeves category

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

Search Rating: 71%

Match with hubs from hubs category

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Couplings Rigid

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

Search Rating: 66%

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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

Search Rating: 65%

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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

Search Rating: 64%

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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

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Couplings - Helical - Economy
Couplings - Helical - Economy

Search Rating: 63%

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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

Search Rating: 63%

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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

Search Rating: 63%

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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

Search Rating: 63%

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All Helical and Slit Couplings

Material: 303 S3U Stainless.

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Couplings - Helical - Standard
Couplings - Helical - Standard

Search Rating: 63%

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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

Search Rating: 62%

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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

Search Rating: 62%

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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

Search Rating: 61%

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

Search Rating: 61%

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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

Search Rating: 61%

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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

Search Rating: 61%

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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

Search Rating: 61%

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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

Search Rating: 60%

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All Helical and Slit Couplings

Aluminium - Flexible.


Hobby Shafting

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Shafting - Ground - Hobby - Steel
Shafting - Ground - Hobby - Steel

Search Rating: 60%

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All Shafting
All Steel Shafting

Silversteel shafting for hobbies. Not suitable for precision bearings.

Suitable for use with plastic gears, bushes, couplings etc. Not recommended for use with precision steel or stainless steel bearings. Some sizes have special features such as serrations or small barbs (noted in description). Unground ends. Ideal for axles in robotic applications and educational projects.

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If the product ranges shown on this site are a bit overwhelming you might find a smaller condensed range on the Hobby and Engineering website. See if Hobby & Engineering have smaller hobby ranges of Shafting - Ground - Hobby - Steel.

Couplings K Type

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Couplings - K Type
Couplings - K Type

Search Rating: 54%

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 Scale

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Bearings - Precision Scale
Bearings - Precision Scale

Search Rating: 37%

Bearings for scales.

Note! Minimum quantities apply to production of these items.



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Small Parts and Bearings offers 124116 products in 3089 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.

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