Bearing Terminology

BEARING TERMINOLOGY

NTN Brand :

LL = Ruber Seals

LLB = Non-Contact Seals

LLU = Contact Seals

ZZ = Metal Shields

NSK Brand :

VV = Non-Contact Rubber Seals

DD = Contact Seals

ZZ = Metal Shields

Nachi

2NSE = 2RS = Rubber Seals

ZZ = Metal Shields

In General :

2RS = LLB, LLU, VV, DDU, 2NSE

ZZ = ZZ

C3 = Electrical Motor Quality (EMQ)

CM = Electrical Motor Quality (EMQ – European Version: Nearly the same as C3)

Super Precision Bearings (Suffix) Terminology

CTDULP4

C=15 Degrees, E or A5 = 25 Degrees

T or TR =Phenolic Cage, TY = Polyamide Cage

DU=Duplex Unit, SU = Single Unit

L=Light Preload, M=Medium Preload, H=Heavy Preload

P4 = Abec 7

Lead Time

Any bearings that are super precision – we can get for them within a week if it is available.

Most of the bearings – we can get in 7-10 working days if out of stock or lower stock than your requirement.

Bearings