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HRD-bearing limited company can not only provide customers with high-quality LM102949/LM102910 Timken Tapered Roller Bearings but also the best service that can be offered. Over the past decade, we export Timken bearing to every corner of the world. Always, try your best to provide every customer with high-performance bearings. Contact us for more information. We are sure you will be satisfied.
Specifications
| Series | N/A LM102900 |
| Cone Part Number | N/A LM102949 |
| Cup Part Number | N/A LM102910 |
| Design Unit | N/A Inch |
| Bearing Weight | N/A 0.7 lb0.3 Kg |
| Cage Material | N/A Stamped Steel |
Dimensions
| d – Bore | N/A 1.7812 in45.242 mm |
| D – Cup Outer Diameter | N/A 2.8910 in73.431 mm |
| B – Cone Width | N/A 0.7800 in19.812 mm |
| C – Cup Width | N/A 0.6200 in15.748 mm |
| T – Bearing Width | N/A 0.7700 in19.558 mm |
Abutment and Fillet Dimensions
| R – Cone Backface “To Clear” Radius1 | N/A 0.14 in3.560 mm |
| r – Cup Backface “To Clear” Radius2 | N/A 0.03 in0.76 mm |
| da – Cone Frontface Backing Diameter | N/A 1.97 in50 mm |
| db – Cone Backface Backing Diameter | N/A 2.2 in56 mm |
| Da – Cup Frontface Backing Diameter | N/A 2.80 in71.10 mm |
| Db – Cup Backface Backing Diameter | N/A 2.68 in68.07 mm |
| Ab – Cage-Cone Frontface Clearance | N/A 0.07 in1.8 mm |
| Aa – Cage-Cone Backface Clearance | N/A 0.01 in0.3 mm |
| a – Effective Center Location3 | N/A -0.18 in-4.6 mm |
Basic Load Ratings
| C90 – Dynamic Radial Rating (90 million revolutions)4 | N/A 4250 lbf18900 N |
| C1 – Dynamic Radial Rating (1 million revolutions)5 | N/A 16400 lbf72900 N |
| C0 – Static Radial Rating | N/A 18400 lbf81800 N |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | N/A 2220 lbf9870 N |
Factors
| K – Factor7 | N/A 1.91 |
| e – ISO Factor8 | N/A 0.31 |
| Y – ISO Factor9 | N/A 1.97 |
| G1 – Heat Generation Factor (Roller-Raceway) | N/A 31.1 |
| G2 – Heat Generation Factor (Rib-Roller End) | N/A 18.8 |
| Cg – Geometry Factor10 | N/A 0.0744 |
- 1 These maximum fillet radii will be cleared by the bearing corners.
- 2 These maximum fillet radii will be cleared by the bearing corners.
- 3 Negative value indicates effective center inside cone backface.
- 4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
- 5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
- 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
- 7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
- 8 These factors apply to both inch and metric calculations. Consult your Timken representative for instruction on use.
- 9 These factors apply to both inch and metric calculations. Consult your Timken representative for instruction on use.
- 10 Geometry constant for Lubrication Life Adjustment Factor a3l.
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