Print Back
    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 10000 RPM

Limiting Speed - Grease

N/A 8800 RPM

Taper

N/A 1:12

Precision

N/A ISO Class 5

Configuration

N/A Two

Oil Hole

N/A w/o Oil Hole

Radial Internal Clearance

N/A C1NA

Static Load Rating

N/A 15400 lbf68500 N68.50 kN

Dynamic Load Rating

N/A 11700 lbf52000 N52.00 kN

Enclosure

N/A Open

Weight

N/A 0.838 lb0.380 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

N/A 1.7717 in45.000 mm

D

N/A 2.9528 in75.000 mm

B

N/A 0.9055 in23.000 mm

C

N/A 0.9055 in23.000 mm

Ew

N/A 2.6575 in67.500 mm

r

N/A 0.0394 in1.000 mm

da min

N/A 1.9685 in50.000 mm

db min

N/A 2.0472 in52.000 mm

Da max

N/A 2.7165 in69.000 mm

Db min

N/A 2.7165 in69.000 mm

Db max

N/A 2.7559 in70.000 mm

ras max

N/A 0.0394 in1.000 mm