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Tapered Roller Set - Inch Series and J Series
MODEL 3781/3720
$89.58 Each
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a (Effective Load Center)
-0.3200 in
B (in)
1.9375
Bore Type
Round
Bore type
Round
Cone Number
3781
Configuration
One
Cup Number
3720
D (in)
3.6718
Dynamic Load Rating
24500 lbf
Dynamic load rating
24500 lbf
e (Axial Load Factor)
0.34
Enclosure
Open
I.D.
1.9375 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
3.6718 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)
0.14
r (in)
0.1300
Static Load Rating
33500 lbf
Static load rating
33500 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
2.44 in
V
2.20 in
W
1.1875 in
Wi
1.1930 in
Width
1.193
Wo
0.9375 in
X
3.46 in
Y2 (Axial Load Factor)
1.77
Z
3.23 in
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class 2 |
Cone Number | 3781 |
Cup Number | 3720 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.34 |
Y2 (Axial Load Factor) | 1.77 |
Static Load Rating | 33500 lbf148000 N148.00 kN |
Dynamic Load Rating | 24500 lbf109000 N109.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 1.9375 in49.212 mm |
D | 3.6718 in93.264 mm |
Wo | 0.9375 in23.813 mm |
Wi | 1.1930 in30.302 mm |
W | 1.1875 in30.162 mm |
r | 0.1300 in3.300 mm |
R | 0.14 in3.5 mm |
a (Effective Load Center) | -0.3200 in-8.100 mm |
U | 2.44 in62.0 mm |
V | 2.20 in56.0 mm |
X | 3.46 in88.0 mm |
Z | 3.23 in82.0 mm |
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