Item # NA498, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA498, 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		28000 RPM

Limiting Speed - Grease		19000 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		890 lbf 3950 N 3.95 kN

Dynamic Load Rating		965 lbf 4300 N 4.30 kN

Weight		0.035 lb 0.016 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		0.3150 in 8.000 mm

D		0.7480 in 19.000 mm

F		0.3937 in 10.000 mm

B		0.4331 in 11.000 mm

r		0.0059 in 0.150 mm

da min		0.3937 in 10 mm

Da max		0.4724 in 12.000 mm

ras max		0.0059 in 0.150 mm

Item # NA498, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series