Changzhou Tianniu Transmission Equipment Co., Ltd
Changzhou TIANNIU Transmission Equipment Co., Ltd is a professional one way clutch bearing supplier, the primary products are micro electromagnetic clutch, torque limiter coupling, sliding shaft
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BD20 Complete Freewheel 1700RPM Overrunning Clutch Bearing
Production introduction
Features
Complete Freewheels BD … X are sealed sprag freewheels with ball bearings and sprag lift-off X. They are supplied oil-filled. The sprag lift-off X ensures wear-free freewheeling operation when the inner ring rotates at high speed.
The freewheels BD … X are used as:
➧ Backstops
➧ Overrunning Clutches
for applications with high speed freewheeling operation and when used as an overrunning clutch with low speed driving operation.
Nominal torques up to 42 500 Nm.
Bores up to 150 mm.
Technical Datas
| Item | BD20 |
| Inner dia. | 20 mm |
| Outer dia. | 106 mm |
| Width | 77 mm |
| Torque | 420 Nm |
| Weight | 3.8 kg |
| Port | Shanghai;Ningbo |
| Delivery time | 10-15 days |
| Package | wooden package, carton package,etc |
| Application | Conveyer, Electric Motor,Bucket elevator,etc |
Products Parameters
| Freew heel Size | Type | Nom inal torque | Sprag lift-off at inner ring speed min-1 | Max. speed ring freew heels/ runs min-1 | Outer ring drives min-1 | mm | Bore d dard mm | mm | max. mm | B mm | D mm | F mm | G** | H mm | K mm | L mm | R mm | S mm | T mm | Z** | Wei ght |
| BD 20 | DX | 420 | 750 | 1 700 | 300 | 30 | 30 | 65,5 | 106 | 0,75 | M 6 | 26 | 5 | 77 | 70 | 0,5 | 90 | 6 | 3,8 | ||
| BD 25 | DX | 700 | 700 | 1 600 | 280 | 35 | 40 | 40 | 81,5 | 126 | 0,75 | M 6 | 30 | 5 | 93 | 80 | 0,5 | 105 | 6 | 6,6 | |
| BD 30 | DX | 1 250 | 630 | 1 600 | 252 | 45 | 50 | 50 | 88,5 | 151 | 0,75 | M 8 | 36 | 6 | 102 | 100 | 1,5 | 130 | 6 | 10,3 | |
| BD 40 | SX | 1 900 | 430 | 1 500 | 172 | 45 | 55 | 60 | 60 | 102,5 | 181 | 0,75 | M10 | 37 | 6 | 116 | 120 | 3,5 | 160 | 6 | 17,4 |
| BD 45 | SX | 2 300 | 400 | 1 500 | 160 | 55 | 65 | 70 | 70 | 115,5 | 196 | 1,25 | M 12 | 38 | 6 | 130 | 130 | 5,0 | 170 | 8 | 22,4 |
| BD 52 | SX | 5 600 | 320 | 1 500 | 128 | 65 | 75 | 80 | 80 | 130,5 | 216 | 1,75 | M14 | 44 | 8 | 150 | 150 | 4,5 | 190 | 8 | 31,1 |
| BD 55 | SX | 7 700 | 320 | 1 250 | 128 | 75 | 85 | 90 | 90 | 146,5 | 246 | 1,75 | M 14 | 48 | 10 | 170 | 160 | 2,5 | 215 | 8 | 45,6 |
| BD 60 | SX | 14 500 | 250 | 1 100 | 100 | 85 | 95 | 100 | 105 | 182,5 | 291 | 1,75 | M 14 | 55 | 10 | 206 | 190 | 2,5 | 250 | 8 | 78,2 |
| BD 70 | SX | 21 000 | 240 | 1 000 | 96 | 120 | 120 | 192,5 | 321 | 1,25 | M 16 | 58 | 10 | 215 | 210 | 5,0 | 280 | 8 | 93,4 | ||
| BD 100 | UX | 42 500 | 210 | 750 | 84 | 150 | 150 | 248,5 | 411 | 3,75 | M 20 | 79 | 10 | 276 | 270 | 6,5 | 365 | 10 | 198,4 |
