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The NTN 47896/47820 is an inch series single row tapered roller bearing with a straight bore. This bearing consists of cone 47896 and cup 47820, designed for combined radial and axial loads in industrial gearboxes, conveyors, and axle housings.
MODEL 47896/47820
$116.44 Each
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Returnable:No
a (Effective Load Center)
-0.0400 in
B (in)
3.7500
Bore Type
Round
Bore type
Round
Cone Number
47896
Configuration
One
Cup Number
47820
D (in)
5.7500
Dynamic Load Rating
41000 lbf
Dynamic load rating
41000 lbf
e (Axial Load Factor)
0.45
Enclosure
Open
I.D.
3.75 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
5.75 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class 2
Precision rating
Class 2
r (in)
0.1300
R (in)
0.14
Static Load Rating
69500 lbf
Static load rating
69500 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
4.33 in
V
4.06 in
W
1.3125 in
Wi
1.3750 in
Width
1.375
Wo
1.0313 in
X
5.51 in
Y2 (Axial Load Factor)
1.34
Z
5.16 in
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class 2 |
Cone Number | 47896 |
Cup Number | 47820 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.45 |
Y2 (Axial Load Factor) | 1.34 |
Static Load Rating | 69500 lbf310000 N310.00 kN |
Dynamic Load Rating | 41000 lbf182000 N182.00 kN |
Enclosure | Open |
Weight | 4.295 lb1.948 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 3.7500 in95.250 mm |
D | 5.7500 in146.050 mm |
Wo | 1.0313 in26.195 mm |
Wi | 1.3750 in34.925 mm |
W | 1.3125 in33.338 mm |
r | 0.1300 in3.300 mm |
R | 0.14 in3.5 mm |
a (Effective Load Center) | -0.0400 in-1.000 mm |
U | 4.33 in110.0 mm |
V | 4.06 in103.0 mm |
X | 5.51 in140.0 mm |
Z | 5.16 in131.0 mm |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
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