29438 NSK Double Direction Thrust Bearings
| Brand Name: | NSK | 
| Model Number: | 29438 | 
| Series: | 8500 | 
| Cone Part Number: | 8578 | 
| Design Units: | Imperial | 
| Cage Type: | Stamped Steel | 
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 206000 lbf | 
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 53500 lbf | 
| d: | 9.5000 in | 
| B - Cone Width: | 2.0625 in | 
Product Details
| Series | 8500 | 
| Cone Part Number | 8578 | 
| Design Units | Imperial | 
| Cage Type | Stamped Steel | 
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 206000 lbf | 
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 53500 lbf | 
| d | 9.5000 in | 
| B - Cone Width | 2.0625 in | 
| R - Cone Backface To Clear Radius3 | 0.25 in | 
| da - Cone Frontface Backing Diameter | 9.96 in | 
| db - Cone Backface Backing Diameter | 10.39 in | 
| Ab - Cage-Cone Frontface Clearance | 0.13 in | 
| Aa - Cage-Cone Backface Clearance | 0.24 in | 
| a - Effective Center Location4 | 0.3 in | 
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 30700 lbf | 
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 119000 lbf | 
| C0 - Static Radial Rating | 240000 lbf | 
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 21400 lbf | 
| K - Factor8 | 1.44 | 
| G1 - Heat Generation Factor (Roller-Raceway) | 1050.5 | 
| G2 - Heat Generation Factor (Rib-Roller End) | 172.4 | 
| Cg - Geometry Factor | 0.140 |