Item # NA4907R, 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 # NA4907R, 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		9500 RPM

Limiting Speed - Grease		6500 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		11200 lbf 50000 N 50.00 kN

Dynamic Load Rating		7200 lbf 32000 N 32.00 kN

Weight		0.377 lb 0.171 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		1.3780 in 35.000 mm

D		2.1654 in 55.000 mm

F		1.6535 in 42.000 mm

B		0.7874 in 20.000 mm

r		0.0236 in 0.600 mm

s		0.0315 in 0.800 mm

da min		1.5354 in 39.000 mm

Da max		2.0079 in 51.000 mm

ras max		0.0236 in 0.600 mm

Item # NA4907R, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series