Item # NAO-50X68X20, Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring On NTN Bearing Corp. of America

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	Item # NAO-50X68X20, Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring

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		Machined-Ring Needle Roller Bearing - Separable Type

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Material		Steel

Limiting Speed - Oil		7500 RPM

Limiting Speed - Grease		4800 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		15000 lbf 66500 N 66.50 kN

Dynamic Load Rating		6450 lbf 28800 N 28.80 kN

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

Dimensional Specifications

		Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring - Dimensions larger image

d		1.9685 in 50.000 mm

D		2.6772 in 68.000 mm

F		2.1654 in 55.000 mm

E		2.3622 in 60.000 mm

C		0.7874 in 20.000 mm

r		0.0236 in 0.600 mm

da min		2.1260 in 54.000 mm

Da max		2.5197 in 64.000 mm

db min		2.3386 in 59.400 mm

Db max		2.1969 in 55.800 mm

ras max		0.0236 in 0.600 mm

Item # NAO-50X68X20, Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring