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Double Row Cylindrical Roller Bearing w/ Tapered Bore & Oil Hole - Type NN
MODEL NN3012KD1NAP4
$2,317.91 Each
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B (in)
1.0236
Bore type
Tapered
Bore Type
Tapered
C (in)
1.0236
Cage material
High strength, 2 piece, machined brass
Cage Material
High Strength, 2 piece, Machined Brass
Configuration
Two
d (in)
2.3622
D (in)
3.7402
Da max
3.4252 in
da min
2.6181 in
Db max
3.4843 in
Db min
3.4252 in
db min
2.6969 in
Dynamic load rating
16000 lbf
Dynamic Load Rating
16000 lbf
Enclosure
Open
Ew
3.3898 in
Limiting speed - grease
6700 RPM
Limiting Speed - Grease
6700 RPM
Limiting speed - oil
7900 RPM
Limiting Speed - Oil
7900 RPM
Material
Hardened Alloy Steel
Oil hole
w/ oil hole
Oil Hole
w/ Oil Hole
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision
ISO Class 4
r (in)
0.0433
Radial internal clearance
C0NA
Radial Internal Clearance
C0NA
ras max
0.0394 in
Static load rating
22900 lbf
Static Load Rating
22900 lbf
Taper
1:12
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 | 7900 RPM |
Limiting Speed - Grease | 6700 RPM |
Taper | 1:12 |
Precision | ISO Class 4 |
Configuration | Two |
Oil Hole | w/ Oil Hole |
Radial Internal Clearance | C0NA |
Static Load Rating | 22900 lbf102000 N102.00 kN |
Dynamic Load Rating | 16000 lbf71000 N71.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.3622 in60.000 mm |
D | 3.7402 in95.000 mm |
B | 1.0236 in26.000 mm |
C | 1.0236 in26.000 mm |
Ew | 3.3898 in86.100 mm |
r | 0.0433 in1.100 mm |
da min | 2.6181 in66.500 mm |
db min | 2.6969 in68.500 mm |
Da max | 3.4252 in87.000 mm |
Db min | 3.4252 in87.000 mm |
Db max | 3.4843 in88.500 mm |
ras max | 0.0394 in1.000 mm |
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