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
Print Back
    The rollers in the NN type bearing are guided by the ribs of the inner ring.
Unit of Measure

Order Now

Ordering Options

 N/A

Find a Distributor

Contact NTN Customer Support Specialist

Order through NTN DOL (Authorized Distributors Only)

Technical Specifications

Type

 N/A Cylindrical Roller Bearing

Bore Type

 N/A Round

Material

 N/A Hardened Alloy Steel

Cage Material

 N/A Phenolic

Limiting Speed - Grease

 N/A 630.0 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 312486 lbf1390000 N1390.00 kN

Dynamic Load Rating

 N/A 161863 lbf720000 N720.00 kN

Enclosure

 N/A Double Shielded

Weight

 N/A 37.044 lb16.800 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 6.2990 in160.000 mm

D

 N/A 9.4488 in240.000 mm

B

 N/A 4.2913 in109.000 mm

C

 N/A 4.2520 in108.000 mm

D2

 N/A 9.7638 in248.000 mm

f

 N/A 0.1181 in3.000 mm

p

 N/A 3.3858 in86.000 mm

J

 N/A 7.5197 in191.000 mm

Cf

 N/A 3.5039 in89.000 mm

Cf1

 N/A 3.5039 in89.000 mm

S

 N/A 0.3740 in9.500 mm

E1

 N/A 10.8268 in275.000 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 6.5748 in167.000 mm