Item # NA4906R, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series On NTN Bearing Corp. of America

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	Item # NA4906R, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R 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		11000 RPM

Limiting Speed - Grease		7500 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		8000 lbf 35500 N 35.50 kN

Dynamic Load Rating		5750 lbf 25500 N 25.50 kN

Weight		0.223 lb 0.101 kg

Operating Temperature Range		-40 to 250 ºF -40 to 120 ºC

Dimensional Specifications

		Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series - Dimensions larger image

d		1.1811 in 30.000 mm

D		1.8504 in 47.000 mm

F		1.3780 in 35.000 mm

B		0.6693 in 17.000 mm

r		0.0118 in 0.300 mm

s		0.0315 in 0.800 mm

da min		1.2598 in 32.000 mm

Da max		1.7717 in 45.000 mm

ras max		0.0118 in 0.300 mm

Item # NA4906R, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series