NSK spherical roller bearing · live catalog page 2
21318EAE4
Manufacturer-published boundary dimensions, basic load ratings, thermal speed rating, and limiting speeds.
Live manufacturer catalog row
Published specifications
- Designation
- 21318EAE4
- Bore d
- 90 mm
- Outside diameter D
- 190 mm
- Width B
- 43 mm
- Minimum corner radius r
- 3 mm
- Basic dynamic load rating Cr
- 415,000 N
- Basic static load rating C0r
- 450,000 N
- Thermal speed rating — oil bath
- 3,600 rpm
- Mechanical speed — forced oil
- 4,500 rpm
- Limiting speed — grease
- 2,800 rpm
- Limiting speed — oil
- 3,600 rpm
- Published row text
- 21318EAE4 | 90 | 190 | 43 | 3 | 415000 | 450000 | 3600 | 4500 | 2800 | 3600
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
NSK spherical roller22218EAE4D 160 mm · B 40 mmNSK spherical roller22218EAKE4D 160 mm · B 40 mmNSK spherical roller23218CE4D 160 mm · B 52.4 mmNSK spherical roller23218CKE4D 160 mm · B 52.4 mmNSK spherical roller21318EAKE4D 190 mm · B 43 mmNSK spherical roller22318EAE4D 190 mm · B 64 mmNSK spherical roller22318EAKE4D 190 mm · B 64 mm