Item # NA4960, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4960, 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		1200 RPM

Limiting Speed - Grease		800 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		595000 lbf 2640000 N 2640.00 kN

Dynamic Load Rating		243000 lbf 1080000.0 N 1080.00 kN

Weight		93.696 lb 42.500 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		11.8110 in 300.000 mm

D		16.5354 in 420.000 mm

F		13.3858 in 340.000 mm

B		4.6457 in 118.000 mm

r		0.1181 in 3.000 mm

s		0.0787 in 2.000 mm

da min		12.3228 in 313.000 mm

Da max		16.0236 in 407.000 mm

ras max		0.0984 in 2.500 mm

Item # NA4960, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series