All Brands
- Basic Parame
- Single row taper roller bearings
- Series
- M278749/M278710
- Model
- M278749
- Inner ring
- M278710
- Outer ring
- Size(mm)
- 571.500
- d
- 812.800
- D
- 155.575
- T
- Rated load，N
- 4440000
- Dynamic load（1）C1
- 0.33
- coefficient（5）e
- 1.80
- Coefficient（5）Y
- 1150000
- Dynamic load（2）C90
- 656000
- Dynamic load（2）Ca90
- 1.76
- Coefficient（5）K
- 10600000
- Static load Ca90
- Bearing
- 155.575
- B
- 120.650
- C
- -11.4
- a(3)
- axis
- 6.4
- Maximum shoulder chamfer radius R（4）
- 609.0
- Shoulder diameterda
- 615.0
- Shoulder diameter db
- Bearing housing
- 6.4
- Maximum shoulder chamfer radiusr（4）
- 773.5
- Shoulder diameter Da
- 756.0
- Shoulder diameter Db
- Cage
- 15.10
- Aa
- 5.80
- Ab
- Coefficient
- 12400
- G1
- 669
- G2
- 0.2990
- Cg
- Weight
- 244.54
- kg
