6218-2RS Deep Groove Ball Bearing (90x160x30mm)

How to read this designation →

Bearing dimensions and basic technical information.

Schematic of a contact-sealed (2RS) single-row deep groove ball bearing with rubber seals

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

Bore diameter (d)90 mm

Outer diameter (D)160 mm

Width (B)30 mm

TypeDeep Groove Ball Bearing

RowSingle Row

ClearanceCN

Cage

Material Steel

Related designations: SKF 6218-2RS1 · NSK 6218DDU · Schaeffler (FAG) 6218-2RSR · NTN 6218LLU · Timken 6218-2RS

Suffix Information

Suffix Code2RS
CategorySeal
MeaningContact seals on both sides
DescriptionRubber contact seals on both sides of the bearing.

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 6218-2RS1C101 kNC073.5 kNPu2.8 kN
NSK 6218DDUCr106 kNC0r71.5 kN—
Schaeffler (FAG) 6218-2RSRCr102 kNC0r74 kNCur4.5 kN
NTN 6218LLUCr106 kNC0r71.5 kNCu5 kN
Timken 6218-2RSCr96 kNC0r71.5 kN—

Speed Ratings

Speed limits depend on sealing and lubrication, and definitions differ by manufacturer. The figures below are for this sealed version (6218-2RS). Contact seals are greased for life and run slower than the open bearing. Always confirm the exact variant in the manufacturer's table.

BrandGrease
sealed (2RS)
Oil
sealed (2RS)
ReferenceLimiting
SKF 6218-2RS1———2,600 r/min
NSK 6218DDU2,600 r/min———
Schaeffler (FAG) 6218-2RSR———2,380 r/min
NTN 6218LLU2,600 r/min———
Timken 6218-2RS————

Timken does not publish a limiting speed for this sealed variant.

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. Schaeffler (FAG) — Schaeffler Technologies AG & Co. KG, Rolling Bearings, HR 1, Herzogenaurach, Germany, Feb. 2025.
  4. NTN — NTN Corporation, Ball and Roller Bearings, CAT. No. 2203-3E, Osaka, Japan, Sep. 2000.
  5. Timken — The Timken Company, Deep Groove Ball Bearings, Catalog 10857, 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 →