Item # NA4956, 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 # NA4956, 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		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		455000 lbf 2030000 N 2030.00 kN

Dynamic Load Rating		188000 lbf 835000 N 835.00 kN

Weight		60.627 lb 27.500 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		14.9606 in 380.000 mm

F		12.2047 in 310.000 mm

B		3.9370 in 100.000 mm

r		0.0827 in 2.100 mm

s		0.0984 in 2.500 mm

da min		11.4567 in 291.000 mm

Da max		14.5276 in 369.000 mm

ras max		0.0787 in 2.000 mm

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