Item # NKX50+1R45X50X25, Needle Roller Bearing with Thrust Ball Bearing - Open Type w/ Inner Ring On NTN Bearing Corp. of America

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	Item # NKX50+1R45X50X25, Needle Roller Bearing with Thrust Ball Bearing - Open Type w/ Inner Ring

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Needle Roller Bearing with Thrust Ball Bearing - Open Type w/ Inner Ring - Dimensions

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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		Complex Bearing

Bore Type		Round

Configuration		One

Clearance		CN

Material		High Carbon Chrome Steel

Cage Material		Pressed Steel

Limiting Speed - Oil		4500 RPM

Limiting Speed - Grease		3100.0 RPM

Precision		ISO Class 0

Enclosure		Open

Weight		0.373 kg 0.822 lb

Axial Static Load Rating		17000 lbf 75500 N

Axial Dynamic Load Rating		6450 lbf 28800 N

Radial Static Load Rating		13900 lbf 62000 N

Radial Dynamic Load Rating		6250 lbf 27900 N

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

Dimensional Specifications

		Needle Roller Bearing with Thrust Ball Bearing - Open Type w/ Inner Ring - Dimensions larger image

d		1.7717 in 45.000 mm

dw		1.9685 in 50.000 mm

dw Tolerance		0.075/0.050 mm

D		2.4409 in 62.000 mm

D1		2.7559 in 70.000 mm

B		0.9843 in 25.000 mm

F		1.9685 in 50.000 mm

C (0/-0.250)		1.3780 in 35.000 mm

C1 (0/-0.20)		0.5512 in 14.000 mm

C2		0.3937 in 10.000 mm

r		0.0236 in 0.600 mm

r1		0.0236 in 0.600 mm

da min		2.4409 in 62.000 mm

db min		1.8898 in 48.000 mm

ras max		0.0236 in 0.600 mm

r1as max		0.0236 in 0.600 mm

Item # NKX50+1R45X50X25, Needle Roller Bearing with Thrust Ball Bearing - Open Type w/ Inner Ring

Ordering Options

Type

Bore Type

Configuration

Clearance

Material

Cage Material

Limiting Speed - Oil

Limiting Speed - Grease

Precision

Enclosure

Weight

Axial Static Load Rating

Axial Dynamic Load Rating

Radial Static Load Rating

Radial Dynamic Load Rating

Operating Temperature Range

d

dw

dw Tolerance

D

D1

B

F

C (0/-0.250)

C1 (0/-0.20)

C2

r

r1

da min

db min

ras max

r1as max

2014-07-29 | PRESS RELEASE

2014-05-09 | PRESS RELEASE