Toyana BK172512 cylindrical roller bearings
Toyana BK172512 cylindrical roller bearings Deal is your source for OEM 28900 Series and accessories. We sell Genuine at discount Imperial Design Units prices.
| Series | 28900 |
| Cone Part Number | 28985 |
| Design Units | Imperial |
| Cage Type | Stamped Steel |
| C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 41500 lbf |
| C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 10800 lbf |
| d | 2.3750 in |
| B – Cone Width | 1.0000 in |
| R – Cone Backface To Clear Radius3 | 0.14 in |
| da – Cone Frontface Backing Diameter | 2.64 in |
| db – Cone Backface Backing Diameter | 2.87 in |
| Ab – Cage-Cone Frontface Clearance | 0.09 in |
| Aa – Cage-Cone Backface Clearance | 0.05 in |
| a – Effective Center Location4 | -0.1 in |
| C90 – Dynamic Radial Rating (90 million revolutions)5 | 6180 lbf |
| C1 – Dynamic Radial Rating (1 million revolutions)6 | 23800 lbf |
| C0 – Static Radial Rating | 33500 lbf |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)7 | 4500 lbf |
| K – Factor8 | 1.37 |
| G1 – Heat Generation Factor (Roller-Raceway) | 60.1 |
| G2 – Heat Generation Factor (Rib-Roller End) | 24.5 |
| Cg – Geometry Factor | 0.103 |
Detailed Parameters
parameter：
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