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Cylindrical Roller Bearing - Separable Inner Ring w/ One Rib, Outer Ring w/ Two Ribs
MODEL NJ311EC3
OBSOLETE
Please call 888-671-2883 for Replacement info
Typically Ships in: 1 day
Returnable:No
B (in)
1.1417
Bore Type
Round
Bore type
Round
Cage Material
Pressed Steel
Cage material
Pressed steel
Configuration
One
d (in)
2.1654
D (in)
4.7244
Da max
4.3701 in
da min
2.5197 in
Dynamic Load Rating
31000 lbf
Dynamic load rating
31000 lbf
Enclosure
Open
Fw
2.7756 in
J (in)
3.0591
Limiting Speed - Grease
5300 RPM
Limiting speed - grease
5300 RPM
Limiting Speed - Oil
6300 RPM
Limiting speed - oil
6300 RPM
Material
Hardened alloy steel
Oil Hole
w/o Oil Hole
Oil hole
w/o Oil Hole
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Two ribbed outer ring
Precision
ISO class 0
r (in)
0.0787
r1as max
0.0787 in
Radial Internal Clearance
C3
Radial internal clearance
C3
Static Load Rating
32000 lbf
Static load rating
32000 lbf
Tolerance
ISO class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
Technical Specifications
Type |
Cylindrical Roller Bearing |
Bore Type |
Round |
Outside Ring Type |
Two Ribbed Outer Ring |
Material |
Hardened Alloy Steel |
Cage Material |
Pressed Steel |
Limiting Speed - Oil |
6300 RPM |
Limiting Speed - Grease |
5300 RPM |
Precision |
ISO Class 0 |
Configuration |
One |
Tolerance |
ISO Class 0 (RBEC 1) |
Oil Hole |
w/o Oil Hole |
Radial Internal Clearance |
C3 |
Static Load Rating |
32000 lbf143000 N143.00 kN |
Dynamic Load Rating |
31000 lbf137000 N137.00 kN |
Enclosure |
Open |
Operating Temperature Range |
-40 to 250 F-40 to 120 C |
Dimensional Specifications
|
|
|
d |
2.1654 in55.000 mm |
D |
4.7244 in120.000 mm |
B |
1.1417 in29.000 mm |
Fw |
2.7756 in70.500 mm |
J |
3.0591 in77.700 mm |
r |
0.0787 in2.000 mm |
da min |
2.5197 in64.000 mm |
Da max |
4.3701 in111.000 mm |
r1as max |
0.0787 in2.000 mm |
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