Item # NA4920, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On Bearing Distributors, Inc.

Bearing Distributors, an Applied Company
930 South Stadium Road
Columbia, SC 29201
Phone: (800) 934-2834
Fax: (803) 256-3824
Email: sales@ibearing.com
Website: www.bearingdistributors.com

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Unit of Measure

Technical Specifications | Dimensional Specifications

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 3500 rpm
Limiting Speed - Grease	N/A 2300 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 58500 lbf260000 N260.00 kN
Dynamic Load Rating	N/A 28600 lbf127000 N127.00 kN
Weight	N/A 4.255 lb1.930 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 3.9370 in100.000 mm
D	N/A 5.51180 in140.000 mm
F	N/A 4.5276 in115.000 mm
B	N/A 1.5748 in40.000 mm
r	N/A 0.0433 in1.1 mm
s	N/A 0.0787 in2.000 mm
da min	N/A 4.1929 in106.500 mm
Da max	N/A 5.2559 in133.500 mm
ras max	N/A 0.0394 in1.000 mm