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Tapered Roller Set - Inch Series and J Series
MODEL 2878/2820
$317.43 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.2200 in
B (in)
1.3750
Bore Type
Round
Bore type
Round
Cone Number
2878
Configuration
One
Cup Number
2820
D (in)
2.8750
Dynamic load rating
14100 lbf
Dynamic Load Rating
14100 lbf
e (Axial Load Factor)
0.37
Enclosure
Open
Limiting Speed - Grease
5200 RPM
Limiting speed - grease
5200 RPM
Lubrication
w/o Oil Hole
Material
Case carburized steel
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision Rating
Class 4
Precision rating
Class 4
R (in)
0.03
r (in)
0.1300
r1as max
0.1299 in
ras max
0.0315 in
Static load rating
17000 lbf
Static Load Rating
17000 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
1.65 in
V
1.61 in
W
0.8750 in
Wi
0.9375 in
Wo
0.6875 in
X
2.68 in
Y2 (Axial Load Factor)
1.63
Z
2.48 in
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Limiting Speed - Grease | 5200 RPM |
Style | Cone & Cup |
Precision Rating | Class 4 |
Cone Number | 2878 |
Cup Number | 2820 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.37 |
Y2 (Axial Load Factor) | 1.63 |
Static Load Rating | 17000 lbf75500 N75.50 kN |
Dynamic Load Rating | 14100 lbf62500 N62.50 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 1.3750 in34.925 mm |
D | 2.8750 in73.025 mm |
Wo | 0.6875 in17.463 mm |
Wi | 0.9375 in23.812 mm |
W | 0.8750 in22.225 mm |
r | 0.1300 in3.300 mm |
R | 0.03 in0.8 mm |
a (Effective Load Center) | -0.2200 in-5.500 mm |
U | 1.65 in42.0 mm |
V | 1.61 in41.0 mm |
X | 2.68 in68.0 mm |
Z | 2.48 in63.0 mm |
ras max | 0.0315 in |
r1as max | 0.1299 in3.000 mm |
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