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 Type

 N/A None

Cage Material

 N/A None

Limiting Speed - Grease

 N/A 500 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 595000 lbf2650000 N2650.00 kN

Dynamic Load Rating

 N/A 295000 lbf1310000 N1310.00 kN

Enclosure

 N/A Double Shielded

Weight

 N/A 92.153 lb41.800 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 7.8740 in200.000 mm

D

 N/A 12.2047 in310.000 mm

B

 N/A 5.9055 in150.000 mm

C

 N/A 5.8661 in149.000 mm

D2

 N/A 12.5984 in320.000 mm

f

 N/A 0.1575 in4.000 mm

p

 N/A 4.5669 in116.000 mm

J

 N/A 9.6654 in245.500 mm

Cf

 N/A 4.7244 in120.000 mm

Cf1

 N/A 4.7244 in120.000 mm

S

 N/A 0.5709 in14.500 mm

E1

 N/A 13.7795 in350.000 mm

t

 N/A 0.0787 in2.000 mm

Angle of Chamfer

 N/A 30 º

r

 N/A 0.0787 in2.000 mm

da min

 N/A 8.1496 in207.000 mm