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

 35500 lbf158000 N158.00 kN

Dynamic Load Rating

 22500 lbf100000 N100.00 kN

Enclosure

 Double Sealed

Weight

 1.631 lb0.740 kg

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

 1.9685 in50 mm

D

 3.1496 in80 mm

B

 1.5748 in40.000 mm

C

 1.5354 in39 mm

D1

 3.0039 in76.300 mm

D2

 3.2992 in83.800 mm

f

 0.0787 in2.000 mm

p

 1.1024 in28.000 mm

J

 2.4016 in61.000 mm

Cf

 1.1811 in30.000 mm

Cf1

 1.1811 in30.000 mm

S

 0.1772 in4.500 mm

E1

 3.7008 in94.000 mm

t

 0.0315 in0.800 mm

Angle of Chamfer

 30 º

r

 0.0394 in1.000 mm

da min

 2.1063 in53.500 mm