| NEW PRODUCT
INTRODUCTION |
| General
Technical Specification Tapered Roller Bearings (Inch Sizes) |
|  
|

|
| Dynamic
Equivalent load |
| P=XFr+YFa |
| Fa/Fr<e |
Fa/Fr>e |
| X |
Y |
X |
Y |
| 1 |
0 |
0.4 |
0.4
cot |
| Static
Equivalent Load |
| p0=0.5Fr+Y0Fa,use
P0=Fr |
| The
value of e, Y1 and Y0 are |
| given
in table below |
yo=0.22
cot |
|
|
| Bearing
Numbers |
Boundry
Dimention |
Basic
Load Ratings |
Limiting
Speeds |
Abutment
And Fillet Dimensions |
Eff.
Load |
Constant |
Axial
Load |
Weight |
|
|
|
|
|
|
CONE |
CUP |
Cor |
Cr |
rpm |
(mm) |
cone |
cup |
Centers
(mm) |
|
Factors |
|
| da |
db |
Da |
Db |
Sa |
sb |
ra |
a |
e |
y1 |
y0 |
(Kg.) |
|
d |
D |
T |
B |
C |
r1 |
r |
|
|
Grease |
Oil |
min |
max |
max |
min |
min |
min |
max |
|
|
|
|
appx... |
| L45449/10 |
29.000 |
50.292 |
14.224 |
14.732 |
10.668 |
3.5 |
1.3 |
34400 |
26800 |
8100 |
10500 |
39.5 |
33 |
44.5 |
48 |
|
|
3.5/1.3 |
10.81 |
0.37 |
1.62 |
0.89 |
0.12 |
| KM88048/10 |
33.338 |
68.262 |
22.225 |
22.225 |
17.462 |
0.8 |
1.5 |
72800 |
56400 |
5600 |
7300 |
42.5 |
41 |
58 |
65 |
|
|
0.8/1.5 |
19.00 |
0.55 |
1.09 |
0.60 |
0.38 |
| LM78349/10A |
35.000 |
62.000 |
16.700 |
17.000 |
13.599 |
Spec. |
1.5 |
50000 |
38200 |
6300 |
8200 |
46 |
40 |
54 |
59 |
|
|
3.5/1.5 |
14.30 |
0.44 |
1.35 |
0.74 |
0.21 |
| LM501349/14 |
41.275 |
73.431 |
21.430 |
19.812 |
16.604 |
3.5 |
1.5 |
70300 |
56000 |
4800 |
6700 |
53 |
46.5 |
66 |
70 |
|
|
0.8 |
17.90 |
0.40 |
1.50 |
0.82 |
0.37 |
|
JHM803148 /JHM803113-B |
45.000 |
90.000 |
32.000 |
29.370 |
29.000 |
3.5 |
2.3 |
144700 |
106700 |
|
5500 |
50 |
57 |
87 |
- |
|
|
3.5/2.3 |
27.00 |
0.55 |
1.10 |
0.60 |
1.000 |
|
37425 / 37625 |
107.950 |
158.750 |
23.020 |
21.438 |
15.875 |
3.5 |
3.3 |
179000 |
108700 |
2000 |
2800 |
122 |
115 |
143 |
152 |
|
|
3.5/3.3 |
38.82 |
0.61 |
0.99 |
0.54 |
1.346 |
|