BEARINGDEX
Deep groove ball, miniature

626 bearing

6 mm bore, 19 mm outside diameter, 6 mm width (0.2362 × 0.748 × 0.2362 in).

Cross-reference 626Decode a full part number

Dimensions

mminch
Bore d60.2362
Outside diameter D190.7480
Width B60.2362

Quick numbers

Pitch diameter dm12.5 mm
Section height (D − d)/26.5 mm
n·dm at 1,800 rpm22,500
n·dm at 3,600 rpm45,000

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

What the number means

6Deep groove ball
2Diameter series 2: light
6Single digit: bore is 6 mm, written directly

How each brand writes it

Same bearing, every maker's notation
VersionSKFFAGNSKNTNKoyoNACHI
Open626626626626626626
Shields both sides626-2Z626-2ZR626ZZ626ZZ626ZZ626ZZE
Contact seals both sides626-2RSH626-2RSR626DDU626LLU626-2RS626-2NSE
Contact seals both sides, C3626-2RSH/C3626-2RSR-C3626DDUC3626LLUC3626-2RSC3626-2NSE C3 Verify
Non-contact seals both sides626-2RSL626-2BRS Verify626VV626LLB626-2RU Verify626-2NKE Verify
Shields both sides, C3626-2Z/C3626-2ZR-C3626ZZC3626ZZC3626ZZC3626ZZE C3 Verify