Item # NA4856, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4856, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

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Ordering Options		Find a Distributor Contact NTN Customer Support Specialist Order through NTN DOL (Authorized Distributors Only)

Technical Specifications

Type		Needle Roller Bearing

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Material		Steel

Limiting Speed - Oil		1300.0 RPM

Limiting Speed - Grease		850 RPM

Precision		ISO Class 0

Configuration		One

Enclosure		Open

Bearing Design		w/ Inner Ring

Oil Hole		w/ Oil Hole

Radial Internal Clearance		CN

Static Load Rating		292000 lbf 1300000 N 1300.00 kN

Dynamic Load Rating		102000 lbf 455000 N 455.00 kN

Weight		34.172 lb 15.500 kg

Operating Temperature Range		-40 to 250 ºF -40 to 120 ºC

Dimensional Specifications

		Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series - Dimensions larger image

d		11.0236 in 280.000 mm

D		13.7795 in 350.000 mm

F		12.0079 in 305.000 mm

B		2.7165 in 69.000 mm

r		0.0787 in 2.000 mm

s		0.0984 in 2.500 mm

da min		11.378 in 289 mm

Da max		13.4252 in 341 mm

ras max		0.0787 in 2.000 mm

Item # NA4856, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series