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Needle-Roller Bearings
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Also known as drawn-cup roller bearings, these are our thinnest roller bearings. The outer ring is drawn out to form a lip that holds the bearing together. Bearings take on the shape of their housing and may be oblong prior to installation.
Open Bearing—Open bearings dissipate heat more efficiently than sealed bearings.
Sealed Bearing—Sealed bearings block out dust and other contaminants better than open bearings, but retain more heat.
Radial Load Cap., lb. | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Shaft Dia. | For Housing ID | Wd. | Dynamic | Static | Max. Rotation Speed, rpm | Lubrication | For Shaft Surface Smoothness, Ra, μin | Temp. Range, ° F | Specs. Met | Each | |||
For Radial Load—Open with Steel Ring | |||||||||||||
| 5/32" | 9/32" | 1/4" | 280 | 210 | 44,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K491 | 000000 | ||
| 3/16" | 11/32" | 1/4" | 400 | 305 | 40,000 | Required | 8 | 0 to 240 | ISO 281, ISO 76 | 5905K492 | 00000 | ||
| 1/4" | 7/16" | 1/4" | 360 | 260 | 35,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K493 | 00000 | ||
| 1/4" | 7/16" | 7/16" | 920 | 870 | 35,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K494 | 0000 | ||
| 5/16" | 1/2" | 9/16" | 1,300 | 1,480 | 29,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K495 | 0000 | ||
| 3/8" | 9/16" | 5/16" | 650 | 610 | 25,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K496 | 0000 | ||
| 3/8" | 9/16" | 3/8" | 870 | 890 | 25,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K497 | 0000 | ||
| 3/8" | 9/16" | 5/8" | 1,650 | 2,040 | 25,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K498 | 0000 | ||
| 7/16" | 5/8" | 1/2" | 1,430 | 1,750 | 22,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K499 | 0000 | ||
| 1/2" | 11/16" | 5/16" | 820 | 890 | 19,500 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K5 | 0000 | ||
| 1/2" | 11/16" | 5/8" | 1,950 | 2,760 | 19,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K501 | 0000 | ||
| 1/2" | 11/16" | 3/4" | 2,200 | 3,210 | 19,500 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K502 | 0000 | ||
| 9/16" | 3/4" | 1/2" | 1,700 | 2,420 | 17,600 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K503 | 0000 | ||
| 9/16" | 3/4" | 5/8" | 2,100 | 3,150 | 17,600 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K504 | 0000 | ||
| 5/8" | 13/16" | 7/16" | 1,450 | 2,100 | 16,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K505 | 0000 | ||
| 5/8" | 13/16" | 1/2" | 1,800 | 2,700 | 16,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K506 | 0000 | ||
| 5/8" | 13/16" | 3/4" | 2,700 | 4,330 | 16,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K507 | 0000 | ||
| 11/16" | 7/8" | 1/2" | 1,900 | 2,950 | 15,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K508 | 0000 | ||
| 11/16" | 7/8" | 3/4" | 2,950 | 5,150 | 14,600 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K509 | 0000 | ||
| 3/4" | 1" | 3/8" | 1,600 | 1,860 | 13,100 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K605 | 0000 | ||
| 3/4" | 1" | 3/4" | 3,450 | 4,970 | 13,100 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K511 | 0000 | ||
| 7/8" | 1 1/8" | 3/4" | 3,800 | 6,100 | 11,400 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K513 | 0000 | ||
| 7/8" | 1 1/8" | 1" | 4,950 | 8,540 | 11,400 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K514 | 00000 | ||
| 1" | 1 1/4" | 1" | 5,550 | 10,200 | 10,100 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K516 | 00000 | ||
| 1 1/8" | 1 3/8" | 1/2" | 2,900 | 4,540 | 9,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K517 | 00000 | ||
| 1 1/4" | 1 1/2" | 5/8" | 3,900 | 6,970 | 8,200 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K518 | 00000 | ||
| 1 1/4" | 1 1/2" | 1" | 6,100 | 12,300 | 8,200 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K519 | 00000 | ||
| 1 5/16" | 1 5/8" | 5/8" | 4,750 | 7,530 | 7,700 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K606 | 00000 | ||
| 1 3/8" | 1 5/8" | 1/2" | 3,050 | 5,330 | 7,500 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K521 | 00000 | ||
| 1 1/2" | 1 7/8" | 7/8" | 8,100 | 13,500 | 6,700 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K522 | 00000 | ||
| 1 1/2" | 1 7/8" | 1" | 8,650 | 14,800 | 6,700 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K523 | 00000 | ||
| 1 1/2" | 1 7/8" | 1 1/4" | 10,600 | 19,300 | 6,700 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K32 | 00000 | ||
| 1 5/8" | 2" | 1 1/4" | 11,400 | 21,800 | 6,000 | Required | 8 | -20 to 280 | ISO 281, ISO 76 | 5905K524 | 00000 | ||
For Radial Load—Sealed on One Side with Steel Ring | |||||||||||||
| 3/8" | 9/16" | 3/8" | 650 | 610 | 15,000 | Lubricated | 8 | 0 to 210 | ISO 281, ISO 76 | 5905K569 | 00000 | ||
| 5/8" | 13/16" | 9/16" | 1,800 | 2,700 | 9,600 | Lubricated | 8 | 0 to 210 | ISO 281, ISO 76 | 5905K57 | 00000 | ||
| 1 1/2" | 1 7/8" | 1" | 8,100 | 13,500 | 4,000 | Lubricated | 8 | 0 to 210 | ISO 281, ISO 76 | 5905K571 | 00000 | ||
For Radial Load—Sealed on Both Sides with Steel Ring | |||||||||||||
| 5/16" | 1/2" | 7/16" | 650 | 590 | 17,500 | Lubricated | 8 | 0 to 210 | ISO 281, ISO 76 | 5905K583 | 00000 | ||
| 3/8" | 9/16" | 7/16" | 650 | 610 | 15,000 | Lubricated | 8 | 0 to 210 | ISO 281, ISO 76 | 5905K584 | 00000 | ||
| 5/8" | 13/16" | 5/8" | 1,800 | 2,700 | 9,600 | Lubricated | 8 | 0 to 210 | ISO 281, ISO 76 | 5905K585 | 00000 | ||
