Mechanical Finish Mechanical Finish |
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Material Material |
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Hardness Hardness |
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Heat Treatment Heat Treatment |
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Surface Smoothness Surface Smoothness |
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Yield Strength Yield Strength |
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Surface Yield Strength Surface Yield Strength |
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About Shafts
More
Hollow Linear Motion Shafts
Lighter than solid shafts, hollow shafts reduce your total system weight and allow you to run various media such as electrical wiring, compressed air tubing, coolants, or lubricants through the center. 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. Shafts are case-hardened to increase hardness and wear resistance. Interior is unfinished; exterior is turned, ground, and polished to tight diameter and straightness tolerances. All are chamfered to remove sharp edges and reduce damage to bearings, housings, and other components during installation.
1055 carbon steel shafts balance high strength and good machinability, making them ideal for general purpose use. 52100 alloy steel shafts have a higher yield strength than 1055 carbon steel shafts for supporting heavier loads; however, they are more difficult to machine.
For technical drawings and 3-D models, click on a part number.
| Lg. | Lg. Tolerance | Dia. Tolerance | ID Tolerance | Surface Smoothness, microinch | Hardness Rating | Hardness | Yield Strength, psi | Surface Yield Strength, psi | Each | |
Inch—52100 Alloy Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
3/4" Dia. (0.438" ID) | ||||||||||
| 12" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.0219" to 0.0219" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 18" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.0219" to 0.0219" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 00000 |
| 24" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.0219" to 0.0219" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 00000 |
| 36" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.0219" to 0.0219" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 48" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.0219" to 0.0219" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 60" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.0219" to 0.0219" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
1" Dia. (0.599" ID) | ||||||||||
| 12" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.03" to 0.03" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 00000 |
| 18" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.03" to 0.03" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 00000 |
| 24" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.03" to 0.03" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 36" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.03" to 0.03" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 48" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.03" to 0.03" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 60" | -0.03" to 0.03" | -0.001" to -0.0005" | -0.03" to 0.03" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
1 1/2" Dia. (0.89" ID) | ||||||||||
| 12" | -0.03" to 0.03" | -0.0011" to -0.0006" | -0.0445" to 0.0445" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 00000 |
| 18" | -0.03" to 0.03" | -0.0011" to -0.0006" | -0.0445" to 0.0445" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 00000 |
| 24" | -0.03" to 0.03" | -0.0011" to -0.0006" | -0.0445" to 0.0445" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 36" | -0.03" to 0.03" | -0.0011" to -0.0006" | -0.0445" to 0.0445" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 48" | -0.03" to 0.03" | -0.0011" to -0.0006" | -0.0445" to 0.0445" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 60" | -0.03" to 0.03" | -0.0011" to -0.0006" | -0.0445" to 0.0445" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
2" Dia. (1 1/4" ID) | ||||||||||
| 12" | -0.06" to 0.06" | -0.0013" to -0.0006" | -0.0625" to 0.0625" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 18" | -0.06" to 0.06" | -0.0013" to -0.0006" | -0.0625" to 0.0625" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 24" | -0.06" to 0.06" | -0.0013" to -0.0006" | -0.0625" to 0.0625" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 36" | -0.06" to 0.06" | -0.0013" to -0.0006" | -0.0625" to 0.0625" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 48" | -0.06" to 0.06" | -0.0013" to -0.0006" | -0.0625" to 0.0625" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
| 60" | -0.06" to 0.06" | -0.0013" to -0.0006" | -0.0625" to 0.0625" | 8 | Very Hard | Rockwell C58 | 75,000 | 250,000 | 0000000 | 000000 |
Metric—1055 Carbon Steel | ||||||||||
12mm Dia. (4mm ID) | ||||||||||
| 300mm | -0.5mm to 0.5mm | -0.018mm to 0mm | -0.2mm to 0.2mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 00000 |
| 500mm | -0.8mm to 0.8mm | -0.018mm to 0mm | -0.2mm to 0.2mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 00000 |
| 1,000mm | -0.8mm to 0.8mm | -0.018mm to 0mm | -0.2mm to 0.2mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
16mm Dia. (7mm ID) | ||||||||||
| 300mm | -0.5mm to 0.5mm | -0.018mm to 0mm | -0.35mm to -0.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 00000 |
| 500mm | -0.8mm to 0.8mm | -0.018mm to 0mm | -0.35mm to -0.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 00000 |
| 1,000mm | -0.8mm to 0.8mm | -0.018mm to 0mm | -0.35mm to -0.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
20mm Dia. (14mm ID) | ||||||||||
| 300mm | -0.5mm to 0.5mm | -0.021mm to 0mm | -0.7mm to 0.7mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 00000 |
| 500mm | -0.8mm to 0.8mm | -0.021mm to 0mm | -0.7mm to 0.7mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
| 1,000mm | -0.8mm to 0.8mm | -0.021mm to 0mm | -0.7mm to 0.7mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
| 1,500mm | -1.2mm to 1.2mm | -0.021mm to 0mm | -0.7mm to 0.7mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
25mm Dia. (15.5mm ID) | ||||||||||
| 300mm | -0.5mm to 0.5mm | -0.021mm to 0mm | -0.775mm to 0.775mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 00000 |
| 500mm | -0.8mm to 0.8mm | -0.021mm to 0mm | -0.775mm to 0.775mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
| 1,000mm | -0.8mm to 0.8mm | -0.021mm to 0mm | -0.775mm to 0.775mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
| 1,500mm | -1.2mm to 1.2mm | -0.021mm to 0mm | -0.775mm to 0.775mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
30mm Dia. (18.2mm ID) | ||||||||||
| 300mm | -0.5mm to 0.5mm | -0.021mm to 0mm | -0.91mm to 0.91mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 00000 |
| 500mm | -0.8mm to 0.8mm | -0.021mm to 0mm | -0.91mm to 0.91mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
| 1,000mm | -0.8mm to 0.8mm | -0.021mm to 0mm | -0.91mm to 0.91mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
| 1,500mm | -1.2mm to 1.2mm | -0.021mm to 0mm | -0.91mm to 0.91mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
40mm Dia. (27mm ID) | ||||||||||
| 300mm | -0.5mm to 0.5mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
| 500mm | -0.8mm to 0.8mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
| 1,000mm | -0.8mm to 0.8mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
| 1,500mm | -1.2mm to 1.2mm | -0.025mm to 0mm | -1.35mm to 1.35mm | 12 | Very Hard | Rockwell C59 | 50,000 | Not Rated | 0000000 | 000000 |
Hollow Linear Motion Shafts with Material Certification
Keep a material certificate on hand for compliance and quality assurance needs. Certificates include a traceable lot number and material test report. These hollow shafts reduce system weight and allow you to run various media such as electrical wiring, compressed air tubing, coolants, or lubricants through the center. 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. Shafts are heat treated to relieve internal stresses, which can cause the shaft to warp out of tolerance. Interior is unfinished; exterior is turned, ground, and polished to tight diameter and straightness tolerances. All are chamfered to remove sharp edges and reduce damage to bearings, housings, and other components during installation.
For technical drawings and 3-D models, click on a part number.
| Lg. | Lg. Tolerance | Dia. Tolerance | ID Tolerance | Straightness Tolerance | Surface Smoothness, microinch | ID Surface Smoothness (RMS), microinch | Edge Type | Hardness Rating | Hardness | Yield Strength, psi | Each | |
Inch—1026 Carbon Steel | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 1/4" Dia. (3/4" ID) | ||||||||||||
| 12" | -0.005" to 0.005" | -0.001" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
| 24" | -0.005" to 0.005" | -0.001" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
| 36" | -0.005" to 0.005" | -0.001" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
| 48" | -0.005" to 0.005" | -0.001" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
1 1/2" Dia. (1" ID) | ||||||||||||
| 12" | -0.005" to 0.005" | -0.001" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 00000 |
| 24" | -0.005" to 0.005" | -0.001" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
| 36" | -0.005" to 0.005" | -0.001" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
| 48" | -0.005" to 0.005" | -0.001" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
2" Dia. (1 1/2" ID) | ||||||||||||
| 12" | -0.005" to 0.005" | -0.002" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
| 24" | -0.005" to 0.005" | -0.002" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
| 36" | -0.005" to 0.005" | -0.002" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |
| 48" | -0.005" to 0.005" | -0.002" to 0" | 0" to 0.003" | 0.003" per ft. | 32 | 20 | Chamfered | Medium | Brinell 225 | 75,000 | 0000000 | 000000 |