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Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN
MODEL NN3028KC0NAP4
$7,605.68 Each
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B (in)
2.0866
Bore Type
Tapered
Bore type
Tapered
C (in)
2.0866
Cage Material
High Strength, 2 piece, Machined Brass
Cage material
High strength, 2 piece, machined brass
Configuration
Two
D (in)
8.2677
d (in)
5.5118
Da max
7.6378 in
da min
5.8661 in
Db max
7.9134 in
Db min
7.6378 in
db min
6.0236 in
Dynamic Load Rating
67000 lbf
Dynamic load rating
67000 lbf
Enclosure
Open
Ew
7.5591 in
Limiting Speed - Grease
2800 RPM
Limiting speed - grease
2800 RPM
Limiting Speed - Oil
3300 RPM
Limiting speed - oil
3300 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
Precision
ISO class 4
r (in)
0.0787
Radial Internal Clearance
C0NA
Radial internal clearance
C0NA
ras max
0.0787 in
Static Load Rating
116000 lbf
Static load rating
116000 lbf
Taper
1 to 12
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 | 3300 RPM |
Limiting Speed - Grease | 2800 RPM |
Taper | 1:12 |
Precision | ISO Class 4 |
Configuration | Two |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | C0NA |
Static Load Rating | 116000 lbf515000 N515.00 kN |
Dynamic Load Rating | 67000 lbf298000 N298.00 kN |
Enclosure | Open |
Weight | 13.395 lb6.076 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 5.5118 in140.000 mm |
D | 8.2677 in210.000 mm |
B | 2.0866 in53.000 mm |
C | 2.0866 in53.000 mm |
Ew | 7.5591 in192.000 mm |
r | 0.0787 in2.000 mm |
da min | 5.8661 in149.000 mm |
db min | 6.0236 in153.000 mm |
Da max | 7.6378 in194.000 mm |
Db min | 7.6378 in194.000 mm |
Db max | 7.9134 in201.000 mm |
ras max | 0.0787 in2.000 mm |
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