BEARINGDEX
Deep groove ball

6200 bearing

10 mm bore, 30 mm outside diameter, 9 mm width (0.3937 × 1.1811 × 0.3543 in).

Dimensions

mminch
Bore d100.3937
Outside diameter D301.1811
Width B90.3543

Quick numbers

Pitch diameter dm20.0 mm
Section height (D − d)/210.0 mm
n·dm at 1,800 rpm36,000
n·dm at 3,600 rpm72,000

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.
00Bore code 00 is a fixed code for 10 mm

How each brand writes it

Same bearing, every maker's notation
VersionSKFFAGNSKNTNKoyoNACHI
Open620062006200620062006200
Shields both sides6200-2Z6200-2ZR6200ZZ6200ZZ6200ZZ6200ZZE
Contact seals both sides6200-2RSH6200-2RSR6200DDU6200LLU6200-2RS6200-2NSE
Contact seals both sides, C36200-2RSH/C36200-2RSR-C36200DDUC36200LLUC36200-2RSC36200-2NSE C3 Verify
Non-contact seals both sides6200-2RSL6200-2BRS Verify6200VV6200LLB6200-2RU Verify6200-2NKE Verify
Shields both sides, C36200-2Z/C36200-2ZR-C36200ZZC36200ZZC36200ZZC36200ZZE C3 Verify

Same size, different bearing

These share the 10 × 30 × 9 mm envelope but carry load differently. They aren't drop-in swaps.