BEARINGDEX
Deep groove ball

6001 bearing

12 mm bore, 28 mm outside diameter, 8 mm width (0.4724 × 1.1024 × 0.315 in).

Cross-reference 6001Decode a full part number

Dimensions

mminch
Bore d120.4724
Outside diameter D281.1024
Width B80.3150

Quick numbers

Pitch diameter dm20.0 mm
Section height (D − d)/28.0 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
0Diameter series 0: extra light. Width series 0 is implied and left off.
01Bore code 01 is a fixed code for 12 mm

How each brand writes it

Same bearing, every maker's notation
VersionSKFFAGNSKNTNKoyoNACHI
Open600160016001600160016001
Shields both sides6001-2Z6001-2ZR6001ZZ6001ZZ6001ZZ6001ZZE
Contact seals both sides6001-2RSH6001-2RSR6001DDU6001LLU6001-2RS6001-2NSE
Contact seals both sides, C36001-2RSH/C36001-2RSR-C36001DDUC36001LLUC36001-2RSC36001-2NSE C3 Verify
Non-contact seals both sides6001-2RSL6001-2BRS Verify6001VV6001LLB6001-2RU Verify6001-2NKE Verify
Shields both sides, C36001-2Z/C36001-2ZR-C36001ZZC36001ZZC36001ZZC36001ZZE C3 Verify