Industrial replacement referenceSource-backed records · No compatibility guesswork

NSK spherical roller bearing · live catalog page 10

24056CAMK30E4

Manufacturer-published boundary dimensions, basic load ratings, thermal speed rating, and limiting speeds.

Bore d280 mmOutside diameter D420 mmWidth B140 mmDynamic rating Cr2,350,000 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK Online Catalog
Designation
24056CAMK30E4
Bore d
280 mm
Outside diameter D
420 mm
Width B
140 mm
Minimum corner radius r
4 mm
Basic dynamic load rating Cr
2,350,000 N
Basic static load rating C0r
3,800,000 N
Thermal speed rating — oil bath
850 rpm
Mechanical speed — forced oil
1,500 rpm
Limiting speed — grease
600 rpm
Limiting speed — oil
800 rpm
Published row text
24056CAMK30E4 | 280 | 420 | 140 | 4 | 2350000 | 3800000 | 850 | 1500 | 600 | 800

Verification boundary

What still needs to match

Do not infer interchange
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

8