All Brands
- Basic Parame
- Single row taper roller bearings
- Series
- 25581/25521
- Model
- 25581
- Inner ring
- 25521
- Outer ring
- Size(mm)
- 44.450
- d
- 83.058
- D
- 23.812
- T
- Rated load，N
- 83800
- Dynamic load（1）C1
- 0.33
- coefficient（5）e
- 1.79
- Coefficient（5）Y
- 21700
- Dynamic load（2）C90
- 12500
- Dynamic load（2）Ca90
- 1.74
- Coefficient（5）K
- 111000
- Static load Ca90
- Bearing
- 25.400
- B
- 19.050
- C
- -6.4
- a(3)
- axis
- 0.5
- Maximum shoulder chamfer radius R（4）
- 50.0
- Shoulder diameterda
- 51.0
- Shoulder diameter db
- Bearing housing
- 3.3
- Maximum shoulder chamfer radiusr（4）
- 77.0
- Shoulder diameter Da
- 72.0
- Shoulder diameter Db
- Cage
- 1.00
- Aa
- 0.60
- Ab
- Coefficient
- 35.2
- G1
- 14.3
- G2
- 0.0801
- Cg
- Weight
- 0.55
- kg
