All Brands
- Basic Parame
- Single row taper roller bearings
- Series
- 1780/1729
- Model
- 1780
- Inner ring
- 1729
- Outer ring
- Size(mm)
- 25.400
- d
- 56.896
- D
- 19.368
- T
- Rated load，N
- 42000
- Dynamic load（1）C1
- 0.31
- coefficient（5）e
- 1.95
- Coefficient（5）Y
- 10900
- Dynamic load（2）C90
- 5740
- Dynamic load（2）Ca90
- 1.90
- Coefficient（5）K
- 45300
- Static load Ca90
- Bearing
- 19.837
- B
- 15.875
- C
- -6.9
- a(3)
- axis
- 0.8
- Maximum shoulder chamfer radius R（4）
- 30.0
- Shoulder diameterda
- 30.5
- Shoulder diameter db
- Bearing housing
- 1.3
- Maximum shoulder chamfer radiusr（4）
- 51.0
- Shoulder diameter Da
- 49.0
- Shoulder diameter Db
- Cage
- 1.90
- Aa
- 0.30
- Ab
- Coefficient
- 10.6
- G1
- 5.39
- G2
- 0.0521
- Cg
- Weight
- 0.23
- kg
