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Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NNU
MODEL NNU4944C3
$26,890.41 Each
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B (in)
3.1496
Bore Type
Cylindrical
Bore type
Cylindrical
C (in)
3.1496
Cage Material
High Strength, 2 piece, Machined Brass
Cage material
High strength, 2 piece, machined brass
Configuration
Two
D (in)
11.8110
d (in)
8.6614
Da max
11.378 in
da min
9.0945 in
Db max
11.3780 in
Db min
11.1811 in
db min
9.3701 in
Dynamic load rating
132000 lbf
Dynamic Load Rating
132000 lbf
Enclosure
Open
Fw
9.6457 in
Limiting Speed - Grease
1900 RPM
Limiting speed - grease
1900 RPM
Limiting speed - oil
2200 RPM
Limiting Speed - Oil
2200 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
Precision
ISO class 0
r (in)
0.0827
Radial Internal Clearance
C3
Radial internal clearance
C3
ras max
0.0787 in
Static Load Rating
292000 lbf
Static load rating
292000 lbf
Tolerance
ISO class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
Technical Specifications
Type | Cylindrical Roller Bearing |
Bore Type | Cylindrical |
Material | Hardened Alloy Steel |
Cage Material | High Strength, 2 piece, Machined Brass |
Limiting Speed - Oil | 2200 RPM |
Limiting Speed - Grease | 1900 RPM |
Precision | ISO Class 0 |
Configuration | Two |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | C3 |
Static Load Rating | 292000 lbf1300000 N1300.00 kN |
Dynamic Load Rating | 132000 lbf585000 N585.00 kN |
Enclosure | Open |
Weight | 37.258 lb16.900 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 8.6614 in220.000 mm |
D | 11.8110 in300.000 mm |
B | 3.1496 in80.000 mm |
C | 3.1496 in80.000 mm |
Fw | 9.6457 in245.000 mm |
r | 0.0827 in2.100 mm |
da min | 9.0945 in231.000 mm |
db min | 9.3701 in238.000 mm |
Da max | 11.3780 in289.000 mm |
Db min | 11.1811 in284.000 mm |
Db max | 11.3780 in289.000 mm |
ras max | 0.0787 in2.000 mm |
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