Item # NA4830, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4830, 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		2400 RPM

Limiting Speed - Grease		1600.0 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		87500 lbf 390000 N 390.00 kN

Dynamic Load Rating		34000 lbf 152000 N 152.00 kN

Weight		5.997 lb 2.720 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		5.9055 in 150.000 mm

D		7.4803 in 190.000 mm

F		6.4961 in 165.000 mm

B		1.5748 in 40.000 mm

r		0.0433 in 1.100 mm

s		0.0591 in 1.500 mm

da min		6.1614 in 156.500 mm

Da max		7.2244 in 183.500 mm

ras max		0.0394 in 1.000 mm

Item # NA4830, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series