Item # NA4864, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

Search Catalog



	All Categories Machined-Ring Needle Roller Bearings w/ Inner Ring


	Item # NA4864, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series

Unit of Measure: Imperial Metric Both

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		Needle Roller Bearing

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Material		Steel

Limiting Speed - Oil		1100 RPM

Limiting Speed - Grease		750 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		415000 lbf 1850000 N 1850.00 kN

Dynamic Load Rating		144000 lbf 640000 N 640.00 kN

Weight		51.147 lb 23.200 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		12.5984 in 320.000 mm

D		15.7480 in 400.000 mm

F		13.7795 in 350.000 mm

B		3.1496 in 80.000 mm

r		0.0827 in 2.100 mm

s		0.0787 in 2.000 mm

da min		13.0315 in 331.000 mm

Da max		15.3150 in 389.000 mm

ras max		0.0787 in 2.000 mm

Item # NA4864, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series