NSK spherical roller bearing · live catalog page 3
21320CKE4
Manufacturer-published boundary dimensions, basic load ratings, thermal speed rating, and limiting speeds.
Live manufacturer catalog row
Published specifications
- Designation
- 21320CKE4
- Bore d
- 100 mm
- Outside diameter D
- 215 mm
- Width B
- 47 mm
- Minimum corner radius r
- 3 mm
- Basic dynamic load rating Cr
- 495,000 N
- Basic static load rating C0r
- 485,000 N
- Thermal speed rating — oil bath
- 3,400 rpm
- Mechanical speed — forced oil
- 4,500 rpm
- Limiting speed — grease
- 1,400 rpm
- Limiting speed — oil
- 1,900 rpm
- Published row text
- 21320CKE4 | 100 | 215 | 47 | 3 | 495000 | 485000 | 3400 | 4500 | 1400 | 1900
Verification boundary
What still needs to match
Internal designConfirm cage, internal design suffix, bore type, clearance, and seals.
Fits and geometryVerify shaft/housing fits, shoulders, fillets, locating method, and mounting arrangement.
DutyCheck radial/axial load, misalignment, lubrication, speed, temperature, contamination, and required life.
Current dataConfirm the exact designation on the linked NSK product page before ordering.
Related NSK bearings
Same bore dimension
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