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Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN
MODEL NN4934KC9NAP4
$15,488.77 Each
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B (in)
2.3622
Bore Type
Tapered
Bore type
Tapered
C (in)
2.3622
Cage Material
High Strength, 2 piece, Machined Brass
Cage material
High strength, 2 piece, machined brass
Configuration
Two
D (in)
9.0551
d (in)
6.6929
Da max
8.6024 in
da min
7.0472 in
Db max
8.7008 in
Db min
8.6024 in
db min
7.2441 in
Dynamic load rating
81000 lbf
Dynamic Load Rating
81000 lbf
Enclosure
Open
Ew
8.5236 in
Limiting Speed - Grease
2500 RPM
Limiting speed - grease
2500 RPM
Limiting speed - oil
2900 RPM
Limiting Speed - Oil
2900 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 4
r (in)
0.0787
Radial Internal Clearance
C9NA
Radial internal clearance
C9NA
ras max
0.0787 in
Static Load Rating
172000 lbf
Static load rating
172000 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 | 2900 RPM |
Limiting Speed - Grease | 2500 RPM |
Taper | 1:12 |
Precision | ISO Class 4 |
Configuration | Two |
Oil Hole | w/o Oil Hole |
Radial Internal Clearance | C9NA |
Static Load Rating | 172000 lbf765000 N765.00 kN |
Dynamic Load Rating | 81000 lbf360000 N360.00 kN |
Enclosure | Open |
Weight | 13.757 lb6.240 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 6.6929 in170.000 mm |
D | 9.0551 in230.000 mm |
B | 2.3622 in60.000 mm |
C | 2.3622 in60.000 mm |
Ew | 8.5236 in216.500 mm |
r | 0.0787 in2.000 mm |
da min | 7.0472 in179.000 mm |
db min | 7.2441 in184.000 mm |
Da max | 8.6024 in218.500 mm |
Db min | 8.6024 in218.500 mm |
Db max | 8.7008 in221.000 mm |
ras max | 0.0787 in2.000 mm |
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