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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 5100 RPM

Limiting Speed - Grease

N/A 4300 RPM

Taper

N/A 1:12

Precision

N/A Special Precision

Configuration

N/A Two

Oil Hole

N/A w/o Oil Hole

Radial Internal Clearance

N/A C1NA

Static Load Rating

N/A 58500 lbf260000 N260.00 kN

Dynamic Load Rating

N/A 29500 lbf131000 N131.00 kN

Enclosure

N/A Open

Weight

N/A 4.061 lb1.842 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 3.9370 in100.000 mm

D

N/A 5.5118 in140.000 mm

B

N/A 1.5748 in40.000 mm

C

N/A 1.5748 in40.000 mm

Ew

N/A 5.0787 in129.000 mm

r

N/A 0.0433 in1.100 mm

da min

N/A 4.1929 in106.500 mm

db min

N/A 4.3307 in110.000 mm

Da max

N/A 5.1575 in131.000 mm

Db min

N/A 5.1575 in131.000 mm

Db max

N/A 5.2559 in133.500 mm

ras max

N/A 0.0394 in1.000 mm