All Brands
- Basic Parameters
- 7921 A5DT
- model
- Angular contact ball bearing1
- type
- Overall dimensions
- 105
- d
- 145
- D
- 20
- B
- 1.1
- r
- 0.6
- R1 large chamfer
- single-column rated load
- 48000
- Cr
- 54000
- Cor
- 4900
- Cr
- 5500
- Cor
- Factor coefficient
- —
- 0
- Maximum speed
- 5 600
- Grease
- 7500
- Oil
- 39.2
- a
- installation dimensions
- 112
- da
- 138
- Da
- 1
- ra
- Mass weight(kg)
- 0.82
- approx
- Bearing designation
- 7921 A5
- Single column
- DB DF DT
- Duplex paired double
- Paired dual-row rated load
- 78 500
- Cr
- 108 000
- Cor
- 8000
- Cr
- 11000
- Cor
- Pair Maximum Speed
- 4 300
- Grease
- 6 000
- Oil
- 78.3
- DB back-to-back
- 38.3
- DF face-to-face
- —
- db(3)
- 140
- Db
- 0.6
- rb(3)
