Item # NAO-55X85X60ZW, Double Row Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring On NTN Bearing Corp. of America

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	Item # NAO-55X85X60ZW, Double Row 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		6000 RPM

Limiting Speed - Grease		4100 RPM

Precision		ISO Class 0

Configuration		Two

Enclosure		Open

Bearing Design		w/ Inner Ring

Oil Hole		w/ Oil Hole

Radial Internal Clearance		CN

Static Load Rating		59000 lbf 263000 N 263.00 kN

Dynamic Load Rating		23400 lbf 104000 N 104.00 kN

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

Dimensional Specifications

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

d		2.1654 in 55.000 mm

D		3.3465 in 85.000 mm

F		2.5591 in 65.000 mm

E		2.8740 in 73.000 mm

C		2.3622 in 60.000 mm

r		0.0394 in 1.000 mm

da min		2.3622 in 60.000 mm

Da max		3.1496 in 80.000 mm

db min		2.8425 in 72.200 mm

Db max		2.5984 in 66.000 mm

ras max		0.0394 in 1.000 mm

Item # NAO-55X85X60ZW, Double Row Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring