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 Round

Material

 N/A Hardened Alloy Steel

Cage Material

 N/A Phenolic Resin

Limiting Speed - Grease

 N/A 1500 RPM

Precision

 N/A ISO Class 0

Configuration

 N/A Two

Oil Hole

 N/A w/o Oil Hole

Radial Internal Clearance

 N/A CN

Static Load Rating

 N/A 50357 lbf224000 N224.00 kN

Dynamic Load Rating

 N/A 28776 lbf128000 N128.00 kN

Enclosure

 N/A Double Shielded

Weight

 N/A 2.922 lb1.330 kg

Operating Temperature Range

 N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Row Cylindrical Roller Bearing for Sheaves w/ Snap Rings - Dimensions

d

 N/A 2.5590 in65.000 mm

D

 N/A 3.9370 in100.000 mm

B

 N/A 1.8110 in46.000 mm

C

 N/A 1.7717 in45.000 mm

D1

 N/A 3.7909 in96.290 mm

D2

 N/A 4.1260 in104.800 mm

f

 N/A 0.0984 in2.500 mm

p

 N/A 1.2402 in31.500 mm

J

 N/A 3.0709 in78.000 mm

Cf

 N/A 1.3386 in34.000 mm

Cf1

 N/A 1.3386 in34.000 mm

S

 N/A 0.2165 in5.500 mm

E1

 N/A 4.5669 in116.000 mm

t

 N/A 0.0394 in1.000 mm

Angle of Chamfer

 N/A 30 º

r

 N/A 0.0394 in1.000 mm

da min

 N/A 2.7559 in70.000 mm