Item # NA4928, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4928, 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		2500 RPM

Limiting Speed - Grease		1700.0 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		109000 lbf 485000 N 485.00 kN

Dynamic Load Rating		47000 lbf 209000 N 209.00 kN

Weight		8.929 lb 4.050 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		5.5118 in 140.000 mm

D		7.4803 in 190.000 mm

F		6.2992 in 160.000 mm

B		1.9685 in 50.000 mm

r		0.0591 in 1.500 mm

s		0.0591 in 1.500 mm

da min		5.8268 in 148.000 mm

Da max		7.1654 in 182.000 mm

ras max		0.0591 in 1.500 mm

Item # NA4928, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series