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Double Row Cylindrical Roller Bearing w/ Tapered Bore & Oil Hole - Type NN
MODEL NN3022KD1NAP4
$903.55 Each
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B (in)
1.7717
Bore type
Tapered
Bore Type
Tapered
C (in)
1.7717
Cage material
High strength, 2 piece, machined brass
Cage Material
High Strength, 2 piece, Machined Brass
Configuration
Two
D (in)
6.6929
d (in)
4.3307
Da max
6.1811 in
da min
4.685 in
Db max
6.3386 in
Db min
6.1811 in
db min
4.8425 in
Dynamic load rating
51500 lbf
Dynamic Load Rating
51500 lbf
Enclosure
Open
Ew
6.1024 in
Limiting speed - grease
3600 RPM
Limiting Speed - Grease
3600 RPM
Limiting speed - oil
4300 RPM
Limiting Speed - Oil
4300 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)
0.0787
Radial internal clearance
C0NA
Radial Internal Clearance
C0NA
ras max
0.0787 in
Static load rating
84500 lbf
Static Load Rating
84500 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 | 4300 RPM |
Limiting Speed - Grease | 3600 RPM |
Taper | 1:12 |
Precision | ISO Class 4 |
Configuration | Two |
Oil Hole | w/ Oil Hole |
Radial Internal Clearance | C0NA |
Static Load Rating | 84500 lbf375000 N375.00 kN |
Dynamic Load Rating | 51500 lbf229000 N229.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 4.3307 in110.000 mm |
D | 6.6929 in170.000 mm |
B | 1.7717 in45.000 mm |
C | 1.7717 in45.000 mm |
Ew | 6.1024 in155.000 mm |
r | 0.0787 in2.000 mm |
da min | 4.6850 in119.000 mm |
db min | 4.8425 in123.000 mm |
Da max | 6.1811 in157.000 mm |
Db min | 6.1811 in157.000 mm |
Db max | 6.3386 in161.000 mm |
ras max | 0.0787 in2.000 mm |
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