BEARINGDEX
Deep groove ball, thin section

16001 bearing

12 mm bore, 28 mm outside diameter, 7 mm width (0.4724 × 1.1024 × 0.2756 in).

Cross-reference 16001Decode a full part number

Dimensions

mminch
Bore d120.4724
Outside diameter D281.1024
Width B70.2756

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

160Extra-thin deep groove ball series
01Bore code 01 is a fixed code for 12 mm

How each brand writes it

Same bearing, every maker's notation
VersionSKFFAGNSKNTNKoyoNACHI
Open160011600116001160011600116001
Shields both sides16001-2Z16001-2ZR16001ZZ16001ZZ16001ZZ16001ZZE
Contact seals both sides16001-2RSH16001-2RSR16001DDU16001LLU16001-2RS16001-2NSE
Contact seals both sides, C316001-2RSH/C316001-2RSR-C316001DDUC316001LLUC316001-2RSC316001-2NSE C3 Verify
Non-contact seals both sides16001-2RSL16001-2BRS Verify16001VV16001LLB16001-2RU Verify16001-2NKE Verify
Shields both sides, C316001-2Z/C316001-2ZR-C316001ZZC316001ZZC316001ZZC316001ZZE C3 Verify