BEARINGDEX
Deep groove ball

63/22 bearing

22 mm bore, 56 mm outside diameter, 16 mm width (0.8661 × 2.2047 × 0.6299 in).

Cross-reference 63/22Decode a full part number

Dimensions

mminch
Bore d220.8661
Outside diameter D562.2047
Width B160.6299

Quick numbers

Pitch diameter dm39.0 mm
Section height (D − d)/217.0 mm
n·dm at 1,800 rpm70,200
n·dm at 3,600 rpm140,400

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

What the number means

6Deep groove ball
3Diameter series 3: medium
/22Slash bore: 22 mm, written directly

How each brand writes it

Same bearing, every maker's notation
VersionSKFFAGNSKNTNKoyoNACHI
Open63/2263/2263/2263/2263/2263/22
Shields both sides63/22-2Z63/22-2ZR63/22ZZ63/22ZZ63/22ZZ63/22ZZE
Contact seals both sides63/22-2RSH63/22-2RSR63/22DDU63/22LLU63/22-2RS63/22-2NSE
Contact seals both sides, C363/22-2RSH/C363/22-2RSR-C363/22DDUC363/22LLUC363/22-2RSC363/22-2NSE C3 Verify
Non-contact seals both sides63/22-2RSL63/22-2BRS Verify63/22VV63/22LLB63/22-2RU Verify63/22-2NKE Verify
Shields both sides, C363/22-2Z/C363/22-2ZR-C363/22ZZC363/22ZZC363/22ZZC363/22ZZE C3 Verify