Item # NA4860, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4860, 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		400000 lbf 1770000 N 1770.00 kN

Dynamic Load Rating		141000 lbf 625000 N 625.00 kN

Weight		48.502 lb 22.000 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		14.9606 in 380.000 mm

F		12.9921 in 330.000 mm

B		3.1496 in 80.000 mm

r		0.0827 in 2.100 mm

s		0.0787 in 2.000 mm

da min		12.2441 in 311.000 mm

Da max		14.5276 in 369.000 mm

ras max		0.0787 in 2.000 mm

Item # NA4860, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series