All Brands
- Basic Parameters
- 6921ZZ
- model
- Deep Groove Ball Bearing
- type
- Overall dimensions
- 105
- d
- 145
- D
- 20
- B
- 1.1
- r min refers to the minimum chamfer
- rated load
- 42500
- Cr
- 42000
- Cor
- 4300
- Cr
- 4300
- Cor
- Factor coefficient
- 16.5
- f0
- Maximum speed
- 4300
- Open-type
- —
- DDUDU glue seal
- 5 300
- Open type z single-sided iron cover
- Bearing designation
- 6921
- Open-type
- ZZ
- Shielded dust cover type
- VV—
- Sealed Seal Ring Type
- N
- with snap ring groove
- NR
- With Snap Ring
- Retaining Ring Groove Size
- 3.30
- a(MAX)
- 1.9
- b(Min)
- 142.60
- D1(MAX)
- 0.6
- r0(MAX)
- 0.5
- rN(Min)
- Retaining ring Size
- 150.7
- D2(MAX)
- 1.70
- f(MAX)
- installation dimensions
- 111.5
- da(2)min(Min)
- 116
- da(2)max(MAX)
- 138.5
- Da(2)max(MAX)
- 1
- ra (MAX)
- 152
- Dx
- 4.7
- CY(MAX)
- Mass weight(kg)
- 0.856
- approx
