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NSK single-row cylindrical roller bearing · live catalog page 1

NUP2304ET7

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

Bore d20 mmOutside diameter D52 mmWidth B21 mmDynamic rating Cr51,500 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK online catalog
Designation
NUP2304ET7
Bore d
20 mm
Outside diameter D
52 mm
Width B
21 mm
Minimum corner radius r
1.1 mm
Minimum corner radius r1
0.6 mm
Fw
27.5 mm
Ew
Not applicable / not published
Basic dynamic load rating Cr
51,500 N
Basic static load rating C0r
39,000 N
Thermal speed rating — oil bath
13,000 rpm
Mechanical speed — forced oil
Not published
Limiting speed — grease
11,000 rpm
Limiting speed — oil
14,000 rpm
Published row text
NUP2304ET7 | 20 | 52 | 21 | 1.1 | 0.6 | 27.5 | | 51500 | 39000 | 13000 | | 11000 | 14000

Verification boundary

What still needs to match

Do not infer interchange
Bearing designConfirm N/NU/NJ/NUP/NF flange arrangement and exact suffixes.
Fit and clearanceVerify shaft/housing tolerances, internal clearance, shoulders, fillets, and mounting method.
DutyCheck speed, lubrication, temperature, radial/axial load handling, contamination, and required life.
Current product dataConfirm the exact designation on the linked NSK product page before ordering.

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