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Item # NF221, 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

4300 RPM

Limiting Speed - Grease

3600.0 RPM

Configuration

One

Tolerance

ISO Class 0 (RBEC 1)

Oil Hole

w/o Oil Hole

Radial Internal Clearance

CN

Static Load Rating

54000 lbf
241000
N
241.00
kN

Dynamic Load Rating

45000 lbf
201000
N
201.00
kN

Enclosure

Open

Weight

8.995 lb
4.080
kg


Dimensional Specifications

d

4.1339 in
105.000
mm

D

7.4803 in
190.000
mm

B

1.4173 in
36.000
mm

Ew

6.6457 in
168.800
mm

J

5.3150 in
135.000
mm

r

0.0827 in
2.100
mm

da min

4.5669 in
116.000
mm

db min

4.5669 in
116.000
mm

Da max

7.0472 in
179.000
mm

Db max

7.0472 in
179.000
mm

Db min

6.8110 in
173.000
mm

r1as max

0.0827 in
2.100
mm