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

Technical Specifications

Type

N/A Cylindrical Roller Bearing

Bore Type

N/A Tapered

Material

N/A Hardened Alloy Steel

Cage Material

N/A High Strength, 2 piece, Machined Brass

Limiting Speed - Oil

N/A 7900 rpm

Limiting Speed - Grease

N/A 6700 rpm

Taper

N/A 1:12

Precision

N/A ISO Class 4

Configuration

N/A Two

Oil Hole

N/A w/ Oil Hole

Radial Internal Clearance

N/A C0NA

Static Load Rating

N/A 22900 lbf102000 N102.00 kN

Dynamic Load Rating

N/A 16000 lbf71000 N71.00 kN

Enclosure

N/A Open

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Row Cylindrical Roller Bearing w/ Tapered Bore & Oil Hole - Type NN - Dimensions

d

N/A 2.3622 in60 mm

D

N/A 3.7402 in95 mm

B

N/A 1.0236 in26 mm

C

N/A 1.0236 in26 mm

Ew

N/A 3.3898 in86.100 mm

r

N/A 0.0433 in1.100 mm

da min

N/A 2.6181 in66.500 mm

db min

N/A 2.6969 in68.500 mm

Da max

N/A 3.4252 in87.000 mm

Db min

N/A 3.4252 in87.000 mm

Db max

N/A 3.4843 in88.500 mm

ras max

N/A 0.0394 in1 mm