NTN BEARING CORPORATION OF AMERICA
NTN BEARING CORPORATION OF AMERICA
Head Office
1600 E. Bishop Court, P.O. Box 7604
Mount Prospect, IL 60056-7604, U.S.A.
Phone: 847-298-7500
Fax: 847-699-9744
Toll Free: 800-323-2358
Email: mkt@ntnamerica.com
Website: www.ntnamericas.com
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    The rollers in the NN type bearing are guided by the ribs of the inner ring.
Unit of Measure

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Ordering Options

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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

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 340000 lbf1510000 N1510.00 kN

Dynamic Load Rating

 N/A 155000 lbf690000 N690.00 kN

Enclosure

 N/A Open

Weight

 N/A 52.572 lb23.846 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 11.0236 in280.000 mm

D

 N/A 14.9606 in380.000 mm

B

 N/A 2.9528 in75.000 mm

C

 N/A 2.9528 in75.000 mm

Ew

 N/A 14.0157 in356.000 mm

r

 N/A 0.0827 in2.100 mm

da min

 N/A 11.4567 in291.000 mm

ras max

 N/A 0.0787 in2.000 mm