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Double Row Cylindrical Roller Bearing w/ Tapered Bore & Oil Hole - Type NN
MODEL NN4922KD1NAP4
$8,263.60 Each
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B (in)
1.5748
Bore type
Tapered
Bore Type
Tapered
C (in)
1.5748
Cage material
High strength, 2 piece, machined brass
Cage Material
High Strength, 2 piece, Machined Brass
Configuration
Two
D (in)
5.9055
d (in)
4.3307
Da max
5.5512 in
da min
4.5866 in
Db max
5.6496 in
Db min
5.5512 in
db min
4.7244 in
Dynamic load rating
31000 lbf
Dynamic Load Rating
31000 lbf
Enclosure
Open
Ew
5.4724 in
Limiting speed - grease
3900 RPM
Limiting Speed - Grease
3900 RPM
Limiting speed - oil
4600 RPM
Limiting Speed - Oil
4600 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
64000 lbf
Static Load Rating
64000 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 | 4600 RPM |
Limiting Speed - Grease | 3900 RPM |
Taper | 1:12 |
Precision | ISO Class 4 |
Configuration | Two |
Oil Hole | w/ Oil Hole |
Radial Internal Clearance | C0NA |
Static Load Rating | 64000 lbf284000 N284.00 kN |
Dynamic Load Rating | 31000 lbf137000 N137.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 4.3307 in110.000 mm |
D | 5.9055 in150.000 mm |
B | 1.5748 in40.000 mm |
C | 1.5748 in40.000 mm |
Ew | 5.4724 in139.000 mm |
r | 0.0433 in1.100 mm |
da min | 4.5866 in116.500 mm |
db min | 4.7244 in120.000 mm |
Da max | 5.5512 in141.000 mm |
Db min | 5.5512 in141.000 mm |
Db max | 5.6496 in143.500 mm |
ras max | 0.0394 in1.000 mm |
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