Item # NA4868, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series On NTN Bearing Corp. of America

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	Item # NA4868, 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		1100 RPM

Limiting Speed - Grease		750 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		435000 lbf 1940000 N 1940.00 kN

Dynamic Load Rating		147000 lbf 655000 N 655.00 kN

Weight		53.131 lb 24.100 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		13.3858 in 340.000 mm

D		16.5354 in 420.000 mm

F		14.5669 in 370.000 mm

B		3.1496 in 80.000 mm

r		0.0827 in 2.100 mm

s		0.0787 in 2.000 mm

da min		13.8189 in 351.000 mm

Da max		16.1024 in 409.000 mm

ras max		0.0787 in 2.000 mm

Item # NA4868, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series