Ball bearing freewheel BB17-2GD inner diameter 17mm outer diameter 40mm width 17mm with lip seals and Internal freewheels TFS-20 inner diameter 20mm outer diameter 52mm width 21mm with keyway at inner ring and radial keyways at outer ring are compared below on the data published by their sellers — price converted to euros, stock, and every specification either seller discloses. On price, Ball bearing freewheel BB17-2GD inner diameter 17mm outer diameter 40mm width 17mm with lip seals is €83.69 cheaper ($102.30).
| Criterion | Ball bearing freewheel BB17-2GD inner diameter 17mm outer diameter 40mm width 17mm with lip seals | Internal freewheels TFS-20 inner diameter 20mm outer diameter 52mm width 21mm with keyway at inner ring and radial keyways at outer ring |
|---|---|---|
| Price | $102.30cheapest | $198.84 |
| Seller | MÄDLER | MÄDLER |
| Availability | Backorder | Backorder |
| Rating | — | — |
| Torque | 438.471 kg·cm | 856.548 kg·cm |
| Weight | 100 g | 220 g |
| B | 17 mm | 21 mm |
| B1 | — | 6 mm |
| D | 17 mm | 52 mm |
| D h7 | — | 20 mm |
| D1 | 36.45 mm | 27 mm |
| Drag torque | 0.05 Nm | 0.18 Nm |
| E | — | 1.2 mm |
| Load rating radial dyn c | 7 000 N | — |
| Load rating radial stat c0 | 3 700 N | — |
| Max overrunning inner race | 3 500 | 2 500 |
| Max overrunning outer race | 1 900 | 1 300 |
| R | 0.6 mm | — |
| R1 | — | 0.8 mm |
| T | — | 1.6 mm |
| T1 | — | 2.3 mm |
| View at seller ↗ | View at seller ↗ |
Specifications are extracted automatically from seller data — an empty cell means the seller does not publish that value, not that the product lacks it.
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