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Precision Shaft - Small Parts Engineering Product Catalogue

Categories that include the terms: PRECISION and SHAFT

Ball Bushings - Thomson

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Bearings - Linear - Ball - Thomson Precision Steel (Closed)
For running on shafts fixed at the ends.
Bearings - Linear - Ball - Thomson Precision Steel (Open)
For running on shafts supported by a rail along their length.

Bar

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Shafting - Ground
Precision ground shafting. Various materials including silver steel, 303 304 316 416 stainless steel, hardened chrome steel.

Bearings - Linear

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Bearings - Linear - Ball
Adjustable and fixed types - open for running on a supported rail and closed for fixed shafts.
Use with hardened precision ground shafting. Shaft tolerance: h6 (Normal Fit), j6 (Close Fit). Housing Tolerance: H7 (Clearance Fit), J7 (Interference Fit). Max Temp: 100 Deg C Intermittent, 80 Deg C continuous.
Bearings - Linear - Ball - Miniature - High Precision
High Precision Corrosion Resistant Miniature Linear Bearings.
High Precision Swiss Made, Accurate Guiding, Smooth Running. High Load Capacity. Tolerances --- d (+0.008 / -0.000 mm) D (+0.000 / -0.010 mm). Recommended Outer ring fitted with interferance of 1-3 Microns or retained by Circlips. Shafts (not included) should be 60-63 Rockwell C hardness with tolerances +0.000 / -0.006 mm.

Clamps - Gear

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Clamps - Gear - Two Piece - Precision Balanced
Precision - Stainless - Aluminium - Carbon Steel - For our clamp type gears.
Precision Type : Height and Clearance Radii Tolerances +/- 0.397. Precision Type : All other dimensional tolerances except ID +/-0.127. These clamps are designed to clamp the OD of the hub on our clamp type gears. The shaft size listed is for reference only.

Collars - Shaft

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Collars - Shaft - Hinged Type
Precision machined. Convenient easy-to-assemble design.
Same axial load handling capabilities as standard two piece collars. Captive clamp screw eliminates lost screws. The collars have a smooth I.D., O.D. & sides with no protruding pins or screws. Easily Machinable / Open Completely. Non-marring / Use on hardened shafts / Use on tubing / Use on split hubs.
Collars - Shaft - Standard
Includes miniature precision types. Carbon steel, 303 and 316 stainless.

Couplings - Oldham

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Couplings - Oldham - Precision Spring Loaded
2.8 to 4.2 Nm. Max Speed: 3000 RPM.
Max Speed: 3000 RPM. Max Backlash: 5 minutes. Max parallel shaft offset: 0.381mm. Max angular offset: 1.5 Degrees. 303 Stainless Steel.

Gearboxes - Cross Axis

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Gearboxes - Cross Axis - 83.3 x 76.2 x 44.5
Worm Gear - 64DP Precision.
Max input speed 1000 RPM. Right or left hand. Can only be driven from input shaft. Maximum Backlash 30 minutes. Permanently Lubricated.

Gearheads - Inline

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Gearheads - Inline - Planetary - Size 17 - Precision
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 Deg C (-65 to 250 Deg F).
Gearheads - Inline - Planetary - Size 23 - Precision
Use with NEMA Size 23 Motors.
Stainless Steel housing - Heat Treated Steel Gears - Sealed ball bearings - Aluminium mounting flange. Shaft loading 154kg (347 lbs) radial and 153kg (344 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 Deg C (-65 to 250 Deg F).
Gearheads - Inline - Planetary - Size 34 - Precision
Use with NEMA Size 34 Motors.
Stainless Steel housing - Heat Treated Steel Gears - Sealed ball bearings - Aluminium mounting flange. Shaft loading 388kg (875 lbs) radial and 376kg (849 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 Deg C (-65 to 250 Deg F).
Gearheads - Inline - Planetary - Size 56 - Precision
Use with NEMA Size 56 Motors.
Stainless Steel housing - Heat Treated Steel Gears - Sealed ball bearings - Aluminium mounting flange. Shaft loading 937kg (2100 lbs) radial and 937kg (2100 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 Deg C (-65 to 250 Deg F).

Gearheads - Right Angle

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Gearheads - Right Angle - Planetary - Size 23 - Precision
Use with NEMA Size 23 Motors.
Maximum input speed 5000 rpm. Shaft loading 154.9 kg (347 lbs) radial and 153.5 kg (344 lbs) axial. Min. Efficiency ---- Single Stage : 85%, Double Stage : 80%. Max Backlash ---- Single Stage : 14 arc min, Double Stage : 18 arc min. Operating Temperature : -54 to 121 Deg C (-65 to 250 Deg F).
Gearheads - Right Angle - Planetary - Size 56 - Precision
Use with NEMA Size 56 Motors.
Maximum input speed 5000 rpm. Shaft loading 937 kg (2100 lbs) radial and 937 kg (2100 lbs) axial. Min. Efficiency ---- Single Stage : 85%, Double Stage : 80%. Max Backlash ---- Single Stage : 10 arc min, Double Stage : 14 arc min. Operating Temperature : -54 to 121 Deg C (-65 to 250 Deg F).

Hobby Shafting

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Hobby Shafting - Precision Ground
A small selection of popular sizes.
See main listings for sizes not shown here.

Motors - Stepper - Drives

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Motors - Stepper - Drives with Gearheads
Not recommended for precision applications. Approx 2 Deg backlash at output shaft.

Shaftloc-tm-

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Shaftloc-tm Simple Type M
Simple effective way to lock components onto shafts.
Passivated 416 Stainless Steel Simple two part screw together system locks parts securely to shaft. Asymetric thread geometry produces a large radial clamping force when the nut is tightened Precision, dynamically balanced and suitable for high speed applications. Diameters A and B concentric within 0.013 T.I.R. Tightening the nut causes slotted sleeve to contract, gripping the shaft and clamping the component to the sleeve.


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Small Parts and Bearings offers over 100,000 products including small bearings, timing pulleys, timing belts, seals, o-rings, gears etc - see the full listing in the Online Catalogue. Our main business is handled primarily through our internet store or via phone, fax or mail order. To keep our prices low we have minimised overheads by not having a storefront. If you would like to deal through an MBA distributor with a showroom and counter service you can contact H.E. Supplies (Hobby Engineering Supplies).

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