Industrial replacement referenceSource-backed records · No compatibility guesswork

NSK single-row deep groove ball bearing · live catalog page 6

6309NR

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

Bore d45 mmOutside diameter D100 mmWidth B25 mmDynamic rating Cr58,500 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK online catalog
Designation
6309NR
Bore d
45 mm
Outside diameter D
100 mm
Width B
25 mm
Minimum corner radius r
1.5 mm
Basic dynamic load rating Cr
58,500 N
Basic static load rating C0r
32,000 N
Limiting speed — grease
7,500 rpm
Limiting speed — oil
9,500 rpm
Published row text
6309NR | 45 | 100 | 25 | 1.5 | 58500 | 32000 | 7500 | 9500

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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