BEARINGDEX
Deep groove ball, thin section

6900 bearing

10 mm bore, 22 mm outside diameter, 6 mm width (0.3937 × 0.8661 × 0.2362 in). SKF numbers it 61900.

Cross-reference 6900Decode a full part number

Dimensions

mminch
Bore d100.3937
Outside diameter D220.8661
Width B60.2362

Quick numbers

Pitch diameter dm16.0 mm
Section height (D − d)/26.0 mm
n·dm at 1,800 rpm28,800
n·dm at 3,600 rpm57,600

Compare against the maker's limiting speed. Speed calculator · L10 life

What the number means

6Deep groove ball, thin section
9Diameter series 9: very thin. Width series 0 is implied and left off.
00Bore code 00 is a fixed code for 10 mm

How each brand writes it

Same bearing, every maker's notation
VersionSKFFAGNSKNTNKoyoNACHI
Open6190069006900690069006900
Shields both sides61900-2Z6900-2ZR6900ZZ6900ZZ6900ZZ6900ZZE
Contact seals both sides61900-2RSH6900-2RSR6900DDU6900LLU6900-2RS6900-2NSE
Contact seals both sides, C361900-2RSH/C36900-2RSR-C36900DDUC36900LLUC36900-2RSC36900-2NSE C3 Verify
Non-contact seals both sides61900-2RSL6900-2BRS Verify6900VV6900LLB6900-2RU Verify6900-2NKE Verify
Shields both sides, C361900-2Z/C36900-2ZR-C36900ZZC36900ZZC36900ZZC36900ZZE C3 Verify