All Brands
- Basic parameters
- Deep groove ball bearings
- Series
- 6988
- Model
- Main Size(mm)
- 440
- d
- 600
- D
- 74
- B
- 4
- r smin 1
- Rated base load
- 365
- Dynamic load Cr/kN
- 615
- Static load Cor/kN
- 37,500
- Dynamic load Cr/kgf
- 63,000
- Static load Cor/kgf
- Allowable speed(rpm)
- 890
- Grease lubricationopen ZZ LLB
- 1,000
- Oil lubrication open Z LB
- Bearing number
- 6988
- open
- Installation relationship size(mm)
- 456
- da minmum
- 584
- Da maximum
- 3
- r as maximun
- Weight 4 (kg)
- 60
- (about)
