Item # NA4852, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4852, 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		1400 RPM

Limiting Speed - Grease		950 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		261000 lbf 1160000 N 1160.00 kN

Dynamic Load Rating		84500 lbf 375000 N 375.00 kN

Weight		23.810 lb 10.800 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		10.2362 in 260.000 mm

D		12.5984 in 320.000 mm

F		11.2205 in 285.000 mm

B		2.3622 in 60.000 mm

r		0.0787 in 2.000 mm

s		0.0787 in 2.000 mm

da min		10.5906 in 269.000 mm

Da max		12.2441 in 311.000 mm

ras max		0.0787 in 2.000 mm

Item # NA4852, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series