6068 Deep Groove Ball Bearing (340x520x82mm)

How to read this designation →

Bearing dimensions and basic technical information.

Schematic of an open single-row deep groove ball bearing with a pressed steel cage

Schematic only — for the actual construction, refer to each manufacturer's information.

Bore diameter (d)340 mm

Outer diameter (D)520 mm

Width (B)82 mm

TypeDeep Groove Ball Bearing

RowSingle Row

ClearanceCN

Cage

Material Steel

Manufacturer Ratings

Load-rating symbols are printed as each manufacturer writes them in its own catalogue, so the same quantity can carry a different symbol from brand to brand.

BrandDynamic Load RatingStatic Load RatingFatigue Load Limit
SKF 6068 MC423 kNC0640 kNPu13.2 kN
NSK 6068Cr485 kNC0r660 kN—
NTN 6068Cr465 kNC0r610 kNCu21.9 kN
Timken 6068MBCr423 kNC0r640 kN—

Speed Ratings

Speed limits depend on sealing and lubrication, and definitions differ by manufacturer. Contact-sealed variants are normally greased for life and run slower. Always confirm the exact variant in the manufacturer's table.

BrandGrease
open / shielded
Oil
open
ReferenceLimiting
SKF 6068 M——2,400 r/min2,200 r/min
NSK 60681,000 r/min1,200 r/min——
NTN 60681,100 r/min1,300 r/min——
Timken 6068MB1,800 r/min2,600 r/min——

References

  1. SKF — SKF Group, Rolling Bearings, PUB BU/P1 17000/1 EN, Oct. 2018.
  2. NSK — NSK Ltd., Rolling Bearings for Industrial Machinery, CAT. No. E1103, Tokyo, Japan, Jan. 2025.
  3. NTN — NTN Corporation, Ball and Roller Bearings, CAT. No. 2203-3E, Osaka, Japan, Sep. 2000.
  4. Timken — The Timken Company, Deep Groove Ball Bearings, Catalog E10857-GB, North Canton, OH, USA.

Related Guides

Disclaimer: Data on this page is compiled from publicly available online sources for reference only, and not every model appears in a manufacturer's published catalog. Values may differ between sources and editions — always verify against the manufacturer's current documentation before design or purchase.Full disclaimer →