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Technical Specification 
The HM220149/HM220110 tapered roller bearing is engineered for challenging industrial and automotive applications that demand superior performance and extended service life. Manufactured from high-grade bearing steel and optimized through precision grinding, this bearing efficiently supports axial and radial loads. It is ideal for use in heavy trucks, construction machinery, and agricultural equipment. DSBR guarantees every bearing undergoes strict ISO-certified quality inspections, providing customers with reliable products backed by strong production capacity and professional technical support.
Technical Specification 
| Specifications | |
| Series | HM220100 |
| Cone Part Number | HM220149 |
| Cup Part Number | HM220110 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Dimensions | |
| d - Bore | 3.9360 in 99.974 mm |
| D - Cup Outer Diameter | 6.1801 in 156.975 mm |
| B - Cone Width | 1.6535 in 41.999 mm |
| C - Cup Width | 1.3386 in 34 mm |
| T - Bearing Width | 1.6535 in 41.999 mm |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius1 | 0.310 in 7.870 mm |
| r - Cup Backface "To Clear" Radius2 | 0.140 in 3.56 mm |
| da - Cone Frontface Backing Diameter | 4.25 in 108 mm |
| db - Cone Backface Backing Diameter | 4.84 in 122.9 mm |
| Da - Cup Frontface Backing Diameter | 5.96 in 151.38 mm |
| Db - Cup Backface Backing Diameter | 5.59 in 141.99 mm |
| Ab - Cage-Cone Frontface Clearance | 0.12 in 3 mm |
| Aa - Cage-Cone Backface Clearance | 0.07 in 1.8 mm |
| a - Effective Center Location3 | -0.34 in -8.6 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 17500 lbf 77800 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 67500 lbf 300000 N |
| C0 - Static Radial Rating | 98500 lbf 438000 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 9960 lbf 44300 N |
| Factors | |
| K - Factor7 | 1.76 |
| e - ISO Factor8 | 0.33 |
| Y - ISO Factor9 | 1.8 |
| G1 - Heat Generation Factor (Roller-Raceway) | 203.6 |
| G2 - Heat Generation Factor (Rib-Roller End) | 45.9 |
| Cg - Geometry Factor10 | 0.0981 |
