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Item # NA4912S, Clearance-Adjustable Needle Roller Bearing w/ Inner Ring







Unit of Measure: Imperial Metric Both

Order Now  · Technical Specifications  · Dimensional Specifications

Order Now

Ordering Options

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Order through NTN DOL (Authorized Distributors Only)



Technical Specifications

Type

Clearance-Adjustable Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Oil

6000 RPM

Limiting Speed - Grease

4000 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

15500 lbf
69000
N
69.00
kN

Dynamic Load Rating

7650 lbf
34000
N
34.00
kN

Weight

0.904 lb
0.410
kg

Operating Temperature Range

-40 to 250 ºF
-40 to 120
ºC


Dimensional Specifications

d

2.3622 in
60.000
mm

D

3.3465 in
85.000
mm

F

2.6772 in
68.000
mm

B

0.9843 in
25.000
mm

r

0.0394 in
1.000
mm

da min

2.5591 in
65.000
mm

Da max

2.9528 in
75.000
mm

ras max

0.0394 in
1.000
mm