Bearing Codes

B

70

08

C

T

P4S

U

L

***

1

2

3

4

5

6

7

8

9

1

Bearing Type

B

Standard Steel balls

HCB

Hybrid Standard Ceramic balls

HS

High Speed Bearings Steel balls

HSS

High Speed Bearings Steel balls, sealed

HC

High Speed Bearings Ceramic balls

HCS

High Speed BearingsCeramic balls, sealed

2

Dimension Series

718

Ultra-light series

719

Light series

70

Medium series

72

Heavy series

3

Bore diameter

6

6mm

7

7mm

8

8mm

9

9mm

00

10mm

01

12mm

02

15mm

03

17mm

04

20mm

4*5=20mm

05

25mm

5*5=25mm

4

Contact Angle

C

15°

E

25°

BER

25°

BNR

18°

BSR

15°

BAR

30°

BTR

40°

5

Seal&cage

2RSD

Sealed at both sides

V1V

Non-contact rubber seal

T

Textile laminated phenolic resin outer ring guided

TYN

Polyamide resin

TPA

Textile laminated phenolic resin outer ring guided

6

Accuracy

P4

P4A

P4S

P2

7

Bearing Arrangement

U

Single bearing

DU

2 universal bearings

TU

 3 universal bearings

QU

 4 universal bearings

PU

 5 universal bearings

DB

2 bearings d back-to-back

DF

2 bearings arranged face-to-face

DT

bearings arranged in tandem

TBT

three bearings arranged back-to-back and tandem

QBC

four bearings arranged tandem back-to-back

8

Preload

EL

Extra Light Preload

L

Light

M

Medium

H

Heavy

9

Grease&External Form

L252

MONTON high speed Bearing Grease

DLR

Direct radial lubrication holes with integral O rings

HQ1

Ceramic ball