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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GV 40 GVG Series One Way Backstop Clutch Freewheel Sprag Bearings Replacement With Good Price
Production introduction
Structure: AV is a roller type freewheel. It is self-contained, centered by plain bearings for low rotational speeds, and sealed using shield protected metallic labyrinth seals.
Application: Primarily used as backstop, working environments is high humidity like fishery machinery .
Package detail: radial spherical plain bearings are delivered grease lubricated, ready to install in a vertical or horizontal position.
• Compact, highly reliable and fully self-contained design.
• 9 frame sizes covering a shaft diameter range of 68-411mm.
• Normal, large and extra large shaft variants for each frame size allowing the optimum sized bearing to be selected for the application.
• Available with single (downward) thrust pads and upper thrust capability via tilting upper thrust pads or a whitemetal location face.
• Design includes offset pivoted tilting thrust pads in order to reduce oil film temperatures and maximise film thicknesses.
• Centre pivoted pads can be fitted when continuous bi-directional operation is a requirement.
• High pressure oil injection can be incorporated in the thrust faces if required.
• Radial loads are supported on line pivoted whitemetal faced tilting pads.
• PTFE thrust pads can be incorporated in the lower thrust face from frame size 9 upwards to increase the downward thrust capacity and reduce the bearing frame size.
• Available with water cooling, circulating oil cooling or fan / air cooling.
• Integral cooler assemblies can be supplied in cupro-nickel, stainless steel or titanium.
• Electrical insulation can be provided.
• Sealing to various IP grades can be provided at the top or bottom of the bearing as required.
• Easy to install and maintain.
• Design can accommodate a wide variety of instrumentation requirements
| Item | AV70 |
| Material | GCr15 |
| Outer dia. | 155 mm |
| Bore dia. | 70 mm |
| Weight | 5 kg |
| Torque | 2150 Nm |
| Drag Torque | 240 Ncm |
| Width | 20 mm |
| Port | Shanghai;Ningbo |
| Delivery time | 10-15 days |
| Type | Size | TKN1) | Overrunning speed | Weight | Drag torque | ||||||||||
| AV | dH7 | nimax | D | D2 | L 1 | L | B | F | bB11 | N | E | f | TR | ||
| [mm] | [Nm] | [min-1] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg] | [Ncm] | |
| 20 | 265 | 450 | 83 | 42 | 35 | 12 | 40 | 90 | 15 | 35 | 5 | 0.8 | 1.3 | 18 | |
| 25 | 265 | 450 | 83 | 42 | 35 | 12 | 40 | 90 | 15 | 35 | 5 | 0.8 | 1.3 | 18 | |
| 30 | 1200 | 320 | 118 | 60 | 54 | 15 | 40 | 110 | 15 | 35 | 8 | 1 | 3.5 | 130 | |
| 35 | 1200 | 320 | 118 | 60 | 54 | 15 | 40 | 110 | 15 | 35 | 8 | 1 | 3.4 | 130 | |
| 40 | 1200 | 320 | 118 | 60 | 54 | 15 | 40 | 110 | 15 | 35 | 8 | 1 | 3.3 | 130 | |
| 45 | 2150 | 280 | 155 | 90 | 54 | 20 | 80 | 140 | 18 | 47 | 10 | 1 | 5.5 | 240 | |
| 50 | 2150 | 280 | 155 | 90 | 54 | 20 | 80 | 140 | 18 | 47 | 10 | 1 | 5.4 | 240 | |
| 55 | 2150 | 280 | 155 | 90 | 54 | 20 | 80 | 140 | 18 | 47 | 10 | 1 | 5.3 | 240 | |
| 60 | 2150 | 280 | 155 | 90 | 54 | 20 | 80 | 140 | 18 | 47 | 10 | 1 | 5.2 | 240 | |
| 70 | 2150 | 280 | 155 | 90 | 54 | 20 | 80 | 140 | 18 | 47 | 10 | 1 | 5 | 240 | |
| 80 | 2900 | 200 | 190 | 110 | 64 | 20 | 80 | 155 | 20 | 40 | 10 | 1.5 | 8.7 | 360 | |
| 90* | 7125 | 150 | 260 | 160 | 90 | 25 | 120 | 220 | – | – | – | 3 | 24.5 | 360 | |
| 100* | 7125 | 150 | 260 | 160 | 90 | 25 | 120 | 220 | – | – | – | 3 | 23.5 | 360 | |
| 110* | 7125 | 150 | 260 | 160 | 90 | 25 | 120 | 220 | – | – | – | 3 | 22.5 | 360 | |
| 120* | 11000 | 130 | 300 | 180 | 110 | 30 | 140 | 260 | – | – | – | 3 | 42 | 600 | |