Item # NAO-40X55X34ZW, Double Row Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring On NTN Bearing Corp. of America

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	Item # NAO-40X55X34ZW, 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		9000 RPM

Limiting Speed - Grease		6000 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		20100 lbf 89500 N 89.50 kN

Dynamic Load Rating		8650 lbf 38500 N 38.50 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		1.5748 in 40.000 mm

D		2.1654 in 55.000 mm

F		1.7717 in 45.000 mm

E		1.9685 in 50.000 mm

C		1.3386 in 34.000 mm

r		0.0118 in 0.300 mm

da min		1.6535 in 42.000 mm

Da max		2.0866 in 53.000 mm

db min		1.9370 in 49.200 mm

Db max		1.7953 in 45.600 mm

ras max		0.0118 in 0.300 mm

Item # NAO-40X55X34ZW, Double Row Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring