Item # NA4844, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4844, 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		1700 RPM

Limiting Speed - Grease		1100 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		175000 lbf 780000 N 780.00 kN

Dynamic Load Rating		55000 lbf 244000.0 N 244.00 kN

Weight		14.043 lb 6.370 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		8.6614 in 220.000 mm

D		10.6299 in 270.000 mm

F		9.4488 in 240.000 mm

B		1.9685 in 50.000 mm

r		0.0591 in 1.500 mm

s		0.0591 in 1.500 mm

da min		8.9764 in 228.000 mm

Da max		10.3150 in 262.000 mm

ras max		0.0591 in 1.500 mm

Item # NA4844, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series