Item # NA4848, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4848, 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		1500 RPM

Limiting Speed - Grease		1000 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		243000 lbf 1080000.0 N 1080.00 kN

Dynamic Load Rating		81000 lbf 360000 N 360.00 kN

Weight		22.046 lb 10.000 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		9.4488 in 240.000 mm

D		11.8110 in 300.000 mm

F		10.4331 in 265.000 mm

B		2.3622 in 60.000 mm

r		0.0787 in 2.000 mm

s		0.0787 in 2.000 mm

da min		9.8031 in 249.000 mm

Da max		11.4567 in 291.000 mm

ras max		0.0787 in 2.000 mm

Item # NA4848, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series