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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 2400 RPM

Limiting Speed - Grease

N/A 2100 RPM

Taper

N/A 1:12

Precision

N/A ISO Class 5

Configuration

N/A Two

Oil Hole

N/A w/ Oil Hole

Radial Internal Clearance

N/A C1NA

Static Load Rating

N/A 265000 lbf1180000 N1180.00 kN

Dynamic Load Rating

N/A 125000 lbf555000 N555.00 kN

Enclosure

N/A Open

Weight

N/A 31.747 lb14.400 kg

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 7.8740 in200.000 mm

D

N/A 11.0236 in280.000 mm

B

N/A 3.1496 in80.000 mm

C

N/A 3.1496 in80.000 mm

Ew

N/A 10.2756 in261.000 mm

r

N/A 0.0827 in2.100 mm

da min

N/A 8.3071 in211.000 mm

db min

N/A 8.5827 in218.000 mm

Da max

N/A 10.3937 in264 mm

Db min

N/A 10.3937 in264.000 mm

Db max

N/A 10.5906 in269.000 mm

ras max

N/A 0.0787 in2.000 mm