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Technical Specification 
The HM218248/HM218210 tapered roller bearing is part of DSBR’s precision-engineered inch-series product line, offering exceptional durability and load capacity. Designed to handle both axial and radial loads, this bearing is extensively used in commercial vehicles, agricultural machinery, and mining equipment. Manufactured from premium-grade materials and subjected to strict quality testing, this bearing provides a perfect balance of strength and performance. DSBR’s robust packaging and global logistics support make it a reliable solution for distributors and industrial clients seeking premium OEM bearings.
Technical Specification 
| Specifications | |
| Series | HM218200 |
| Cone Part Number | HM218248 |
| Cup Part Number | HM218210 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Dimensions | |
| d - Bore | 3.5423 in 89.974 mm |
| D - Cup Outer Diameter | 5.7864 in 146.975 mm |
| B - Cone Width | 1.5748 in 40.000 mm |
| C - Cup Width | 1.2795 in 32.499 mm |
| T - Bearing Width | 1.5748 in 40.000 mm |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius1 | 0.280 in 7.110 mm |
| r - Cup Backface "To Clear" Radius2 | 0.140 in 3.56 mm |
| da - Cone Frontface Backing Diameter | 3.9 in 99 mm |
| db - Cone Backface Backing Diameter | 4.41 in 112 mm |
| Da - Cup Frontface Backing Diameter | 5.57 in 141.00 mm |
| Db - Cup Backface Backing Diameter | 5.24 in 133.10 mm |
| Ab - Cage-Cone Frontface Clearance | 0.14 in 3.6 mm |
| Aa - Cage-Cone Backface Clearance | 0.04 in 1 mm |
| a - Effective Center Location3 | -0.34 in -8.6 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 18900 lbf 84200 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 73000 lbf 325000 N |
| C0 - Static Radial Rating | 87300 lbf 388000 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 10800 lbf 47900 N |
| Factors | |
| K - Factor7 | 1.76 |
| e - ISO Factor8 | 0.33 |
| Y - ISO Factor9 | 1.8 |
| G1 - Heat Generation Factor (Roller-Raceway) | 168.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 34.7 |
| Cg - Geometry Factor10 | 0.0921 |
