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Technical Specification 
.webp "M88010 Inch Tapered Roller Bearings")
The M88048/M88010 tapered roller bearing is engineered for heavy-duty applications requiring both radial and axial load support. Manufactured from premium steel and precision-ground, it ensures smooth operation, reduced friction, and excellent wear resistance. Commonly used in automotive axles, trucks, trailers, and industrial equipment, it provides high reliability under continuous stress. The separable cup and cone design allows easy installation, inspection, and replacement. Backed by DSBR’s strict quality control and advanced production technology, this bearing guarantees global-standard performance. Its inch-series specification ensures broad compatibility with international OEM and aftermarket needs.
Technical Specification 
| Specifications | |
| Series | M88000 |
| Cone Part Number | M88048 |
| Cup Part Number | M88010 |
| Design Unit | Inch |
| Cage Material | Stamped Steel |
| Dimensions | |
| d - Bore | 1 5/16 in 33.338 mm |
| D - Cup Outer Diameter | 2.6875 in 68.263 mm |
| B - Cone Width | 0.875 in 22.225 mm |
| C - Cup Width | 0.6875 in 17.463 mm |
| T - Bearing Width | 0.8750 in 22.225 mm |
| Abutment and Fillet Dimensions | |
| R - Cone Backface "To Clear" Radius1 | 0.03 in 0.800 mm |
| r - Cup Backface "To Clear" Radius2 | 0.06 in 1.52 mm |
| da - Cone Frontface Backing Diameter | 1.62 in 41.2 mm |
| db - Cone Backface Backing Diameter | 1.67 in 42.5 mm |
| Da - Cup Frontface Backing Diameter | 2.60 in 66.00 mm |
| Db - Cup Backface Backing Diameter | 2.28 in 57.91 mm |
| Ab - Cage-Cone Frontface Clearance | 0.06 in 1.5 mm |
| Aa - Cage-Cone Backface Clearance | 0.05 in 1.3 mm |
| a - Effective Center Location3 | -0.11 in -2.8 mm |
| Basic Load Ratings | |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 4450 lbf 19800 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 17100 lbf 76300 N |
| C0 - Static Radial Rating | 17400 lbf 77400 N |
| Ca90- Dynamic Thrust Rating (90 million revolutions)6 | 4160 lbf 18500 N |
| Factors | |
| K - Factor7 | 1.07 |
| e - ISO Factor8 | 0.55 |
| Y - ISO Factor9 | 1.1 |
| Cg - Geometry Factor10 | 0.0771 |
_20250828093537.webp "14138A/14276 Inch Tapered Roller Bearings Provide Professional High-quality Bearings for Over 70 Countries")
