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Cylindrical Roller Bearing - Separable Inner Ring w/ One Rib, Outer Ring w/ Two Ribs
MODEL NJ221
$510.58 Each
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B (in)
1.4173
Bore type
Round
Bore Type
Round
Cage material
Pressed steel
Cage Material
Pressed Steel
Configuration
One
D (in)
7.4803
d (in)
3.7402
Da max
7.0472 in
da min
4.5669 in
Db max
7.0472 in
Db min
6.8110 in
db min
4.5669 in
Dynamic load rating
45000 lbf
Dynamic Load Rating
45000 lbf
Enclosure
Open
Fw
4.9921 in
J (in)
5.3150
Limiting speed - grease
3600 RPM
Limiting Speed - Grease
3600 RPM
Limiting speed - oil
4300 RPM
Limiting Speed - Oil
4300 RPM
Material
Hardened Alloy Steel
Oil hole
w/o Oil Hole
Oil Hole
w/o Oil Hole
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
r (in)
0.0827
r1as max
0.0787 in
Radial internal clearance
CN
Radial Internal Clearance
CN
Static load rating
54000 lbf
Static Load Rating
54000 lbf
Tolerance
ISO Class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
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 RPM |
Configuration | One |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | CN |
Static Load Rating | 54000 lbf241000 N241.00 kN |
Dynamic Load Rating | 45000 lbf201000 N201.00 kN |
Enclosure | Open |
Weight | 8.708 lb3.950 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 3.7402 in95.000 mm |
D | 7.4803 in190.000 mm |
B | 1.4173 in36.000 mm |
Fw | 4.9921 in126.800 mm |
J | 5.3150 in135.000 mm |
r | 0.0827 in2.100 mm |
da min | 4.5669 in116.000 mm |
db min | 4.5669 in116.000 mm |
Da max | 7.0472 in179.000 mm |
Db max | 7.0472 in179.000 mm |
Db min | 6.8110 in173.000 mm |
r1as max | 0.0787 in2.000 mm |
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