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Technical Specification 
The DSBR 29685/29620 tapered roller bearing is part of our inch-series product range, offering outstanding strength and wear resistance for heavy-duty applications. Built with premium-grade materials and advanced grinding technology, this bearing ensures smooth operation under high load conditions. Its separable cone and cup make installation, inspection, and lubrication simple and efficient. This model is widely used in trucks, agricultural equipment, industrial machinery, and gearboxes. DSBR’s dedication to precision manufacturing, strict quality inspections, and customer-focused service makes this bearing an excellent choice for OEM partners, global distributors, and aftermarket suppliers seeking cost-effective reliability.
Technical Specification 
| Specifications | |
| Series | 29600 |
| Cone Part Number | 29685 |
| Cup Part Number | 29620 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Related Assembly Number(s) | 29685-90023 29685-90405 |
| Dimensions | |
| d - Bore | 2.8750 in 73.025 mm |
| D - Cup Outer Diameter | 4-7/16 in 112.713 mm |
| B - Cone Width | 1.0000 in 25.400 mm |
| C - Cup Width | 0.7500 in 19.050 mm |
| T - Bearing Width | 1.0000 in 25.400 mm |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius1 | 0.14 in 3.600 mm |
| r - Cup Backface "To Clear" Radius2 | 0.130 in 3.30 mm |
| da - Cone Frontface Backing Diameter | 3.15 in 80 mm |
| db - Cone Backface Backing Diameter | 3.39 in 86 mm |
| Da - Cup Frontface Backing Diameter | 4.33 in 109.00 mm |
| Db - Cup Backface Backing Diameter | 3.98 in 101.09 mm |
| Ab - Cage-Cone Frontface Clearance | 0.08 in 2 mm |
| Aa - Cage-Cone Backface Clearance | 0.08 in 2 mm |
| a - Effective Center Location3 | 0.04 in 1 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 6440 lbf 28600 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 24800 lbf 111000 N |
| C0 - Static Radial Rating | 37200 lbf 166000 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 5370 lbf 23900 N |
| Factors | |
| K - Factor7 | 1.2 |
| e - ISO Factor8 | 0.49 |
| Y - ISO Factor9 | 1.23 |
| G1 - Heat Generation Factor (Roller-Raceway) | 77.7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 43.3 |
| Cg - Geometry Factor10 | 0.117 |
