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Item # NF308, Cylindrical Roller Bearing - Separable Inner Ring w/ Two Ribs, Outer Ring w/ One Rib







Unit of Measure: Imperial Metric Both

Order Now  · Technical Specifications  · Dimensional Specifications

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Technical Specifications

Type

Cylindrical Roller Bearing

Bore Type

Round

Material

Hardened Alloy Steel

Cage Material

Pressed Steel

Limiting Speed - Oil

9400 RPM

Limiting Speed - Grease

8000 RPM

Configuration

One

Tolerance

ISO Class 0 (RBEC 1)

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

12800 lbf
57000
N
57.00
kN

Dynamic Load Rating

13200 lbf
58500
N
58.50
kN

Enclosure

Open

Weight

1.466 lb
0.665
kg


Dimensional Specifications

d

1.5748 in
40.000
mm

D

3.5433 in
90.000
mm

B

0.9055 in
23.000
mm

Ew

3.0512 in
77.500
mm

J

2.2992 in
58.400
mm

r

0.0591 in
1.500
mm

da min

1.8898 in
48.000
mm

db min

1.8898 in
48.000
mm

Da max

3.2283 in
82.000
mm

Db max

3.2283 in
82.000
mm

Db min

3.1496 in
80.000
mm

r1as max

0.0591 in
1.500
mm