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About Pulleys
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Compare standard, hanging, and mounted pulleys, then calculate the capacity you need based on the angle of your rope.
Pulleys for Wire Rope—For Lifting
 |  |  |
Style B | Style C | Style J |
1 Groove With Plain Bearing
| | |  |
Style B | Style C | Style J |
Style | For Rope Dia. | Wt. Cap., lb. | OD | Wd. | Pulley Dia. | For Shaft Dia. | Material | Bearing Material | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B | 3/64" | 20 | 3/4" | 3/16" | 5/8" | 1/8" | Nylon | Bronze | 9466T42 | 00000 | ||
| B | 3/64" | 70 | 1 1/16" | 1/4" | 7/8" | 3/16" | Nylon | Bronze | 9466T43 | 0000 | ||
| B | 3/64" | 70 | 1 1/16" | 1/4" | 7/8" | 1/4" | Nylon | Bronze | 9466T45 | 0000 | ||
| B | 1/16" | 90 | 1 1/4" | 1/4" | 1 1/16" | 3/16" | Nylon | Bronze | 9466T44 | 0000 | ||
| B | 3/32" | 150 | 1 1/2" | 5/16" | 1 1/4" | 3/8" | Nylon | Bronze | 9466T41 | 0000 | ||
| C | 1/4" | 1,200 | 4" | 13/16" | 3 1/4" | 1/2" | Powder-Coated Steel | Bronze | 3175T41 | 00000 | ||
| C | 1/4" | 1,200 | 4" | 13/16" | 3 1/4" | 3/4" | Powder-Coated Steel | Bronze | 3175T42 | 00000 | ||
| C | 5/16" | 1,800 | 5" | 1" | 4" | 3/4" | Powder-Coated Steel | Bronze | 3175T45 | 000000 | ||
| C | 3/8" | 1,600 | 4" | 13/16" | 3 1/8" | 1/2" | Powder-Coated Steel | Bronze | 3175T43 | 00000 | ||
| C | 3/8" | 1,600 | 4 1/8" | 1 1/2" | 3" | 1" | Powder-Coated Steel | Bronze | 3175T46 | 00000 | ||
| C | 3/8" | 1,700 | 4" | 13/16" | 3 1/8" | 3/4" | Powder-Coated Steel | Bronze | 3175T44 | 00000 | ||
| C | 3/8" | 2,700 | 6" | 1 1/8" | 4 15/16" | 1 1/4" | Powder-Coated Steel | Bronze | 3175T49 | 000000 | ||
| C | 3/8" | 2,800 | 6" | 1 1/16" | 5" | 3/4" | Powder-Coated Steel | Bronze | 3175T47 | 000000 | ||
| C | 3/8" | 2,800 | 6" | 1 1/16" | 5" | 1" | Powder-Coated Steel | Bronze | 3175T48 | 000000 | ||
| C | 3/8" | 3,600 | 8" | 1 3/8" | 6 1/2" | 1 1/4" | Powder-Coated Steel | Bronze | 3175T61 | 000000 | ||
| C | 1/2" | 3,200 | 6" | 1 1/16" | 4 7/8" | 3/4" | Powder-Coated Steel | Bronze | 3175T62 | 000000 | ||
| C | 1/2" | 3,600 | 6" | 1 1/16" | 4 7/8" | 1" | Powder-Coated Steel | Bronze | 3175T63 | 000000 | ||
| C | 1/2" | 3,600 | 6" | 1 1/8" | 4 15/16" | 1 1/4" | Powder-Coated Steel | Bronze | 3175T64 | 000000 | ||
| C | 1/2" | 4,800 | 8" | 1 3/8" | 6 5/8" | 1" | Powder-Coated Steel | Bronze | 3175T65 | 000000 | ||
| C | 5/8" | 3,200 | 6" | 1 1/16" | 5" | 3/4" | Powder-Coated Steel | Bronze | 3175T66 | 000000 | ||
| C | 5/8" | 4,200 | 6" | 1 1/16" | 5" | 1" | Powder-Coated Steel | Bronze | 3175T67 | 000000 | ||
| C | 5/8" | 6,000 | 8" | 1 3/8" | 6 5/8" | 1 1/4" | Powder-Coated Steel | Bronze | 3175T68 | 000000 | ||
| J | 1/16" | 90 | 1 1/4" | 1/4" | 1 1/16" | 1/4" | Nylon | Bronze | 3434T48 | 0000 | ||
| J | 3/32" | 150 | 1 1/2" | 5/16" | 1 1/4" | 1/4" | Nylon | Bronze | 3434T49 | 0000 | ||
Pulleys for Wire Rope—For Horizontal Pulling
 |  |  | |
Style A | Style B | Style C |
Each | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | For Rope Dia. | Wt. Cap., lb. | OD | Wd. | Pulley Dia. | For Shaft Dia. | Material | Bearing Material | 1-24 | 25-99 | 100-Up | |||
1 Groove With Plain Bearing | ||||||||||||||
| A | 1/4" | 1,000 | 3" | 9/16" | 2 3/8" | 3/8" | Steel | Bronze | 3168T251 | 000000 | 000000 | 000000 | ||
| A | 3/8" | 1,200 | 4" | 13/16" | 3 1/4" | 3/4" | Steel | Bronze | 3168T421 | 000000 | 000000 | 00000 | ||
| B | 7/8" | 4,300 | 5 7/8" | 1 3/4" | 4 3/8" | 1 1/2" | Steel | Bronze | 3175T69 | 000000 | 000000 | 000000 | ||
| C | 1/8" | 1,000 | 2 1/4" | 13/16" | 1 7/8" | 1/4" | Stainless Steel | Bronze | 31695T21 | 00000 | 00000 | 00000 | ||
| C | 3/16" | 1,000 | 2" | 9/16" | 1 1/2" | 3/8" | Stainless Steel | Bronze | 31695T611 | 00000 | 00000 | 00000 | ||
| C | 3/16" | 1,500 | 3 1/4" | 15/16" | 2 3/4" | 3/8" | Stainless Steel | Bronze | 31695T23 | 00000 | 00000 | 00000 | ||
| C | 1/4" | 1,500 | 2 1/2" | 11/16" | 1 7/8" | 5/8" | Stainless Steel | Bronze | 31695T612 | 00000 | 00000 | 00000 | ||
| C | 1/4" | 3,000 | 4 1/4" | 1 1/8" | 3 1/2" | 1/2" | Stainless Steel | Bronze | 31695T25 | 000000 | 000000 | 000000 | ||
| C | 5/16" | 5,000 | 5 1/4" | 1 3/8" | 4 3/8" | 1/2" | Stainless Steel | Bronze | 31695T27 | 000000 | 000000 | 000000 | ||
| C | 3/8" | 8,000 | 6 1/4" | 1 5/8" | 5 1/4" | 1/2" | Stainless Steel | Bronze | 31695T29 | 000000 | 000000 | 000000 | ||
Round Belt Idler Pulleys
 |  |
Brass |
These pulleys spin freely on built-in bearings to maintain tension for reduced wear and vibration. They are often used with belt tensioners (sold separately). Ball bearings are double sealed to keep dirt out.
Brass—Brass pulleys are nonsparking and fit in extremely small spaces.
For Belt Dia. | OD | For Shaft Dia. | Dia. | Wd. | Groove Dp. | Material | Bearing Material | Each | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 3/32" | 0.8" | 1/8" | 0.654" | 9/64" | 0.048" | Brass | Stainless Steel | 6447K1 | 000000 | |
| 3/32" | 1" | 1/8" | 0.904" | 5/32" | 0.048" | Brass | Stainless Steel | 6447K3 | 00000 | |
| 3/32" | 1.5" | 1/8" | 1.404" | 5/32" | 0.048" | Brass | Stainless Steel | 6447K4 | 00000 | |
| 1/8" | 1" | 1/4" | 0.872" | 3/16" | 0.064" | Brass | Stainless Steel | 6447K5 | 00000 | |
| 1/8" | 1.5" | 1/4" | 1.372" | 3/16" | 0.064" | Brass | Stainless Steel | 6447K6 | 00000 | |
| 1/8" | 1.5" | 1/4" | 1.372" | 13/64" | 0.064" | Brass | Stainless Steel | 6447K7 | 00000 | |
| 1/8" | 2" | 1/4" | 1.872" | 13/64" | 0.064" | Brass | Stainless Steel | 6447K8 | 00000 | |
| 3/16" | 2" | 3/8" | 1.81" | 9/32" | 0.095" | Brass | Stainless Steel | 6447K9 | 00000 | |
| 3/16" | 2.5" | 3/8" | 2.31" | 9/32" | 0.095" | Brass | Stainless Steel | 6447K11 | 00000 |
Mounted Pulleys for Rope—For Horizontal Pulling
 |  |
Style 1 | Style 2 |
 |  |
Styles 1, 3, and 5-8 | |
 | |
Styles 2 and 4 |
Mounting Hole | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Style | For Rope Dia. | Wt. Cap. | OD | Wd. | Overall Lg. | Overall Ht. | Material | Housing Material | No. of | Dia. | Ctr.-to-Ctr. (A) | Ctr.-to-Ctr. (B) | Each | |||
1 Groove Without Bearing | ||||||||||||||||
| 1 | 1/4" | Not Rated | 11/16" | 7/8" | 1 7/8" | 1 1/8" | Bronze | Bronze | 2 | 5/32" | 1 3/8" | — | 3071T21 | 000000 | ||
| 2 | 3/8" | Not Rated | 1 1/2" | 2 1/2" | 2 1/8" | 2 1/8" | Bronze | Bronze | 4 | 17/64" | 1 3/8" | 1 3/4" | 3071T23 | 00000 | ||
Hanging Pulleys for Rope—For Horizontal Pulling
 | |
Style A |
Hang these pulleys from hooks, screws, and bolts to assist with horizontal pulling or to guide a rope.
