Industrial replacement referenceSource-backed records · No compatibility guesswork

NSK single-row deep groove ball bearing · live catalog page 4

63/28ZZ

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

Bore d28 mmOutside diameter D68 mmWidth B18 mmDynamic rating Cr29,400 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK online catalog
Designation
63/28ZZ
Bore d
28 mm
Outside diameter D
68 mm
Width B
18 mm
Minimum corner radius r
1.1 mm
Basic dynamic load rating Cr
29,400 N
Basic static load rating C0r
14,000 N
Limiting speed — grease
10,000 rpm
Limiting speed — oil
Not published for this row
Published row text
63/28ZZ | 28 | 68 | 18 | 1.1 | 29400 | 14000 | 10000 |

Verification boundary

What still needs to match

Do not infer interchange
Exact suffixConfirm seals/shields, internal clearance, cage, precision class, and material for the complete designation.
FitVerify shaft/housing tolerances, shoulders, fillets, and mounting method.
DutyCheck speed, temperature, lubrication, contamination, load direction, and required bearing life.
Current product dataConfirm the exact designation on the linked NSK product page before ordering.

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