All Brands
- Basic Parame
- Double outer taper roller bearings
- Series
- 749/742DC
- Model
- 749
- Inner ring
- 742DC
- Outer ring
- X2S-749
- Spacer(4)
- Size(mm)
- 85.026
- d
- 155.575
- D
- 101.600
- T
- 85.725
- B
- Rated load，N
- 512000
- Dynamic load（1）C1
- 0.33
- Dynamic load（1）e
- 2.08
- Coefficient（5）Y1
- 3.09
- Coefficient（5）Y2
- 76300
- Dynamic load（2）C90
- 42500
- Dynamic load（2）Ca90
- 133000
- Coefficient（5）C90（2）
- 1.80
- Coefficient（5）K
- Size，mm
- 3.5
- Axis maximum shoulder chamfer radius R(3)
- 101.0
- Shoulder diameterDb
- 1.5
- Bearing housing maximum shoulder chamfer radius r(3)
- 143.0
- Bearing seat shoulder diameter Da
- Pin
- 19.0
- Ka
- 6.4
- Kb
- Coefficient
- 160
- G1
- 26.3
- G2
- 0.0898
- Cg
- Weight
- 7.90
- kg
