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About Shafts
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Linear Motion Shafts

Smooth, hard, and wear resistant, linear motion shafts work with linear bearings to reduce friction in manual and automated systems, such as those found in packing, machine tool, and material handling operations. The smooth surface reduces friction and wear on the bearing—the lower the microinch value a shaft has, the smoother its finish and the less friction it will create. All are turned, ground, and polished to tight diameter and straightness tolerances.
Aluminum shafts are a lightweight, corrosion-resistant option for use with linear sleeve bearings. They have a thin, ultra-hard coating that provides additional wear resistance. Because they have a soft core they are not for use with linear ball bearings, which may dent the shaft. Anodized 6061 aluminum shafts have a higher yield strength than ceramic-coated 6061 aluminum shafts, which means they handle heavier loads.
For technical drawings and 3-D models, click on a part number.
Lg. | Lg. Tolerance | Straightness Tolerance | Surface Smoothness, microinch | Edge Type | Hardness Rating | Hardness | Yield Strength, psi | Each | |
1/4" Dia. (Tolerance: -0.001" to -0.0005") | |||||||||
---|---|---|---|---|---|---|---|---|---|
6" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 000000 |
12" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
18" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
24" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
36" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
48" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
3/8" Dia. (Tolerance: -0.001" to -0.0005") | |||||||||
6" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
12" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
18" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
24" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
36" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
48" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
1/2" Dia. (Tolerance: -0.001" to -0.0005") | |||||||||
6" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
12" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
18" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
24" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
36" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
48" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
3/4" Dia. (Tolerance: -0.001" to -0.0005") | |||||||||
6" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
12" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
18" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
24" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
36" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 000000 |
48" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 000000 |
7/8" Dia. (Tolerance: -0.001" to -0.0005") | |||||||||
6" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
12" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
24" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
48" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
1" Dia. (Tolerance: -0.001" to -0.0005") | |||||||||
6" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
12" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
18" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
24" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
36" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
48" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 000000 |
1 1/4" Dia. (Tolerance: -0.001" to -0.0005") | |||||||||
12" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
18" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
24" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 00000 |
36" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 000000 |
48" | -0.0625" to 0.0625" | 0.004" per ft. | 16 | Straight | Ultra Hard | Rockwell C70 | 46,000 | 0000000 | 000000 |