Item # NA4956, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. 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

Unit of Measure

Order Now | Technical Specifications | Dimensional Specifications

Order Now

Ordering Options

Find a Distributor

Contact NTN Customer Support Specialist

Order through NTN DOL (Authorized Distributors Only)

Technical Specifications

Type	N/A Needle Roller Bearing
Bore Type	N/A Round
Material	N/A High Carbon Chrome Steel
Cage Material	N/A Steel
Limiting Speed - Oil	N/A 1300 RPM
Limiting Speed - Grease	N/A 850 RPM
Precision	N/A ISO Class 0
Configuration	N/A One
Enclosure	N/A Open
Bearing Design	N/A w/ Inner Ring
Oil Hole	N/A w/ Oil Hole
Radial Internal Clearance	N/A CN
Static Load Rating	N/A 455000 lbf2030000 N2030.00 kN
Dynamic Load Rating	N/A 188000 lbf835000 N835.00 kN
Weight	N/A 60.627 lb27.500 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series - Dimensions
d	N/A 11.0236 in280.000 mm
D	N/A 14.9606 in380.000 mm
F	N/A 12.2047 in310.000 mm
B	N/A 3.9370 in100.000 mm
r	N/A 0.0827 in2.100 mm
s	N/A 0.0984 in2.500 mm
da min	N/A 11.4567 in291.000 mm
Da max	N/A 14.5276 in369.000 mm
ras max	N/A 0.0787 in2.000 mm