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Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NNU
MODEL NNU4952KC1NAP5
$8,355.39 Each
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B (in)
3.9370
Bore Type
Tapered
Bore type
Tapered
C (in)
3.9370
Cage Material
High Strength, 2 piece, Machined Brass
Cage material
High strength, 2 piece, machined brass
Configuration
Two
D (in)
14.1732
d (in)
10.2362
Da max
13.7402 in
da min
10.6693 in
Db max
13.7402 in
Db min
13.3465 in
db min
10.9843 in
Dynamic load rating
202000 lbf
Dynamic Load Rating
202000 lbf
Enclosure
Open
Fw
11.4961 in
Limiting Speed - Grease
1600 RPM
Limiting speed - grease
1600 RPM
Limiting speed - oil
1800 RPM
Limiting Speed - Oil
1800 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 5
r (in)
0.0827
Radial Internal Clearance
C1NA
Radial internal clearance
C1NA
ras max
0.0787 in
Static Load Rating
465000 lbf
Static load rating
465000 lbf
Taper
1 to 12
Tolerance
ISO class 0 (RBEC 1)
Type
Cylindrical Roller Bearing
Technical Specifications
Type | Cylindrical Roller Bearing |
Bore Type | Tapered |
Material | Hardened Alloy Steel |
Cage Material | High Strength, 2 piece, Machined Brass |
Limiting Speed - Oil | 1800 RPM |
Limiting Speed - Grease | 1600 RPM |
Taper | 1:12 |
Precision | ISO Class 5 |
Configuration | Two |
Tolerance | ISO Class 0 (RBEC 1) |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | C1NA |
Static Load Rating | 465000 lbf2070000 N2070.00 kN |
Dynamic Load Rating | 202000 lbf900000 N900.00 kN |
Enclosure | Open |
Weight | 62.170 lb28.200 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 10.2362 in260.000 mm |
D | 14.1732 in360.000 mm |
B | 3.9370 in100.000 mm |
C | 3.9370 in100.000 mm |
Fw | 11.4961 in292.000 mm |
r | 0.0827 in2.100 mm |
da min | 10.6693 in271.000 mm |
db min | 10.9843 in279.000 mm |
Da max | 13.7402 in349.000 mm |
Db min | 13.3465 in339.000 mm |
Db max | 13.7402 in349.000 mm |
ras max | 0.0787 in2.000 mm |
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