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NA4903R

Image for Illustration purposes only. Actual product may vary

NTN NA4903R MACHINED RING NRB (RACE)

MODEL NA4903R

BRAND

SKU

272764

WEIGHT

0.082 lb

UOM

each

$168.66 Each

Prices are subject to change

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

Bearing Type

Needle roller bearing

Cage

Steel

Enclosure

Open

Material

High carbon chrome steel

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

18000 RPM

Limiting Speed - Grease

12000 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

3300 lbf14600 N14.60 kN

Dynamic Load Rating

2520 lbf11200 N11.20 kN

Weight

0.082 lb0.037 kg

Operating Temperature Range

-40 to 250 F-40 to 120 C

Dimensional Specifications


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

d

0.6693 in17.000 mm

D

1.1811 in30.000 mm

F

0.8661 in22.000 mm

B

0.5118 in13.000 mm

r

0.0118 in0.300 mm

s

0.0197 in0.500 mm

da min

0.7480 in19.000 mm

Da max

1.1024 in28.000 mm

ras max

0.0118 in0.300 mm

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Return policy

Item must be unused.

Item must be in it's original package.