Industrial replacement referenceSource-backed records · No compatibility guesswork

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

6806DD

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

Bore d30 mmOutside diameter D42 mmWidth B7 mmDynamic rating Cr5,200 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK online catalog
Designation
6806DD
Bore d
30 mm
Outside diameter D
42 mm
Width B
7 mm
Minimum corner radius r
0.3 mm
Basic dynamic load rating Cr
5,200 N
Basic static load rating C0r
3,650 N
Limiting speed — grease
9,000 rpm
Limiting speed — oil
Not published for this row
Published row text
6806DD | 30 | 42 | 7 | 0.3 | 5200 | 3650 | 9000 |

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.

Related NSK bearings

Same bore dimension

8