BEARINGDEX
Deep groove ball

6215 bearing

75 mm bore, 130 mm outside diameter, 25 mm width (2.9528 × 5.1181 × 0.9843 in).

Dimensions

mminch
Bore d752.9528
Outside diameter D1305.1181
Width B250.9843

Quick numbers

Pitch diameter dm102.5 mm
Section height (D − d)/227.5 mm
n·dm at 1,800 rpm184,500
n·dm at 3,600 rpm369,000

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

What the number means

6Deep groove ball
2Diameter series 2: light. Width series 0 is implied and left off.
15Bore code 15 × 5 = 75 mm

How each brand writes it

Same bearing, every maker's notation
VersionSKFFAGNSKNTNKoyoNACHI
Open621562156215621562156215
Shields both sides6215-2Z6215-2ZR6215ZZ6215ZZ6215ZZ6215ZZE
Contact seals both sides6215-2RSH6215-2RSR6215DDU6215LLU6215-2RS6215-2NSE
Contact seals both sides, C36215-2RSH/C36215-2RSR-C36215DDUC36215LLUC36215-2RSC36215-2NSE C3 Verify
Non-contact seals both sides6215-2RSL6215-2BRS Verify6215VV6215LLB6215-2RU Verify6215-2NKE Verify
Shields both sides, C36215-2Z/C36215-2ZR-C36215ZZC36215ZZC36215ZZC36215ZZE C3 Verify

Same size, different bearing

These share the 75 × 130 × 25 mm envelope but carry load differently. They aren't drop-in swaps.