The rollers in the NN type bearing are guided by the ribs of the inner ring.
Unit of Measure

Technical Specifications

Type

Cylindrical Roller Bearing

Bore Type

Round

Material

Hardened Alloy Steel

Cage Type

None

Cage Material

None

Precision

ISO Class 0

Configuration

Two

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

400000 lbf1790000 N1790.00 kN

Dynamic Load Rating

208000 lbf925000 N925.00 kN

Enclosure

Double Sealed

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Row Cylindrical Roller Bearing for Sheaves w/ Snap Rings - Dimensions

d

6.6929 in170.000 mm

D

10.2362 in260.000 mm

B

4.8031 in122 mm

C

4.7638 in121.000 mm

D2

10.6299 in270.000 mm

f

0.1575 in4.000 mm

p

3.7402 in95.000 mm

J

7.9921 in203.000 mm

Cf

3.8976 in99.000 mm

Cf1

3.8976 in99.000 mm

S

0.4331 in11.000 mm

E1

11.8110 in300.000 mm

t

0.0787 in2.000 mm

Angle of Chamfer

30 º

r

0.0787 in2.000 mm

da min

6.9685 in177.000 mm