All Brands
- Basic Parame
- Single row taper roller bearings
- Series
- 478/472X
- Model
- 478
- Inner ring
- 472X
- Outer ring
- Size(mm)
- 65.000
- d
- 123.825
- D
- 30.162
- T
- Rated load，N
- 133000
- Dynamic load（1）C1
- 0.38
- coefficient（5）e
- 1.56
- Coefficient（5）Y
- 34400
- Dynamic load（2）C90
- 22700
- Dynamic load（2）Ca90
- 1.52
- Coefficient（5）K
- 186000
- Static load Ca90
- Bearing
- 29.007
- B
- 24.605
- C
- -4.1
- a(3)
- axis
- 2.3
- Maximum shoulder chamfer radius R（4）
- 73.0
- Shoulder diameterda
- 77.0
- Shoulder diameter db
- Bearing housing
- 3.3
- Maximum shoulder chamfer radiusr（4）
- 115.0
- Shoulder diameter Da
- 109.0
- Shoulder diameter Db
- Cage
- 1.50
- Aa
- 2.20
- Ab
- Coefficient
- 77.2
- G1
- 23
- G2
- 0.1083
- Cg
- Weight
- 1.57
- kg
