All Brands
- Basic Parame
- Single row taper roller bearings
- Series
- 644/633
- Model
- 644
- Inner ring
- 633
- Outer ring
- Size(mm)
- 71.438
- d
- 130.175
- D
- 41.275
- T
- Rated load，N
- 216000
- Dynamic load（1）C1
- 0.36
- coefficient（5）e
- 1.66
- Coefficient（5）Y
- 55900
- Dynamic load（2）C90
- 34700
- Dynamic load（2）Ca90
- 1.61
- Coefficient（5）K
- 298000
- Static load Ca90
- Bearing
- 41.275
- B
- 31.750
- C
- -11.2
- a(3)
- axis
- 3.5
- Maximum shoulder chamfer radius R（4）
- 81.0
- Shoulder diameterda
- 87.0
- Shoulder diameter db
- Bearing housing
- 3.3
- Maximum shoulder chamfer radiusr（4）
- 124.0
- Shoulder diameter Da
- 116.0
- Shoulder diameter Db
- Cage
- 4.20
- Aa
- 1.90
- Ab
- Coefficient
- 106
- G1
- 21
- G2
- 0.0814
- Cg
- Weight
- 2.23
- kg
