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Item # NA4908LL, Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49 Series, Double Sealed






Unit of Measure: Imperial Metric Both

Order Now  · Technical Specifications  · Dimensional Specifications

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Ordering Options

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Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Grease

4200.0 RPM

Precision

ISO Class 0

Configuration

One

Enclosure

Double Sealed

Bearing Design

w/ Inner Ring

Oil Hole

w/ Oil Hole

Radial Internal Clearance

CN

Static Load Rating

12000 lbf
53500
N
53.50
kN

Dynamic Load Rating

6250 lbf
27800
N
27.80
kN

Weight

0.556 lb
0.252
kg

Operating Temperature Range

-40 to 250 ºF
-40 to 120
ºC


Dimensional Specifications

d

1.5748 in
40.000
mm

D

2.4409 in
62.000
mm

F

1.8898 in
48.000
mm

C

0.8661 in
22.000
mm

B

0.9055 in
23.000
mm

r

0.0236 in
0.600
mm

s

0.0394 in
1.000
mm

da min

1.7323 in
44.000
mm

Da max

2.0079 in
51.000
mm

ras max

0.0236 in
0.600
mm