Single-row – Inch Series 687/672 | Corporation Singapore Distributor
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Single-row – Inch series 687/672

Single-row – Inch series 687/672

Single-row – Inch series 687/672

Rolling mill roll neck bearings

Four-row cylindrical roller bearings

If you’re looking Single-row – Inch series 687/672 to replace your FAG,Timken, SKF, NSK,NTN,Koyo,Mcgill ,Nachi bearing, we make a drop-in replacement for it. If you’re not sure who made the bearing just contact with us .
Boya Singapore Bearing coporation competes with the biggest names in the bearing industry.

 
Boya Singapore Bearing coporation uses a variety of prefixes and suffixes to help identify critical features of Origin bearings. Some are standard throughout the bearing industry, while some are not. If you’re having difficulty finding a direct interchange, Contact with us.

Four-row cylindrical roller bearings Bearing No.

687/672

Boundary dimensions(mm) d

101.6

D

168.275

T

41.275

B

41.275

r(min)

3.6

r1(min)

3.2

Basic load ratings(kN) Cr

282

C0r

349

Fatigue load limit(kN) Cu

50.4

Limiting speeds(min-1) Grease lub.

2200

Oil lub.

3000

Dimensions(mm) C

30.162

Load center spread a(mm)

38.6

Mounting dimensions(mm) da

114.0

db

115.0

Da

146.0

Db

156.0

ra(max)

3.6

rb(max)

3.2

Constant e

0.47

Axial load factors Y1

1.28

Y0

0.70

(Refer.)Mass(kg)

3.37

Single-row – Inch series 687/672

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