All Brands
- Basic Parame
- Single row taper roller bearings
- Series
- 2580/2520A
- Model
- 2580
- Inner ring
- 2520A
- Outer ring
- Size(mm)
- 31.750
- d
- 66.421
- D
- 25.400
- T
- Rated load，N
- 77500
- Dynamic load（1）C1
- 0.27
- coefficient（5）e
- 2.19
- Coefficient（5）Y
- 20100
- Dynamic load（2）C90
- 9410
- Dynamic load（2）Ca90
- 2.14
- Coefficient（5）K
- 94400
- Static load Ca90
- Bearing
- 25.357
- B
- 20.638
- C
- -8.6
- a(3)
- axis
- 0.8
- Maximum shoulder chamfer radius R（4）
- 37.5
- Shoulder diameterda
- 38.5
- Shoulder diameter db
- Bearing housing
- 1.5
- Maximum shoulder chamfer radiusr（4）
- 62.0
- Shoulder diameter Da
- 59.0
- Shoulder diameter Db
- Cage
- 0.90
- Aa
- 0.80
- Ab
- Coefficient
- 23.6
- G1
- 9.63
- G2
- 0.0656
- Cg
- Weight
- 0.41
- kg
