Item # NA4876, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4876, 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		950 RPM

Limiting Speed - Grease		650 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		640000 lbf 2840000 N 2840.00 kN

Dynamic Load Rating		225000 lbf 1000000 N 1000.00 kN

Weight		98.106 lb 44.500 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		14.9606 in 380.000 mm

D		18.8976 in 480.000 mm

F		16.3386 in 415.000 mm

B		3.9370 in 100.000 mm

r		0.0827 in 2.100 mm

s		0.0787 in 2.000 mm

da min		15.3937 in 391.000 mm

Da max		18.4646 in 469.000 mm

ras max		0.0787 in 2.000 mm

Item # NA4876, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series