Y30303-90KA1 - Vòng bi côn - TS (Tapered Single) Hệ Mét
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timken@qme.vn
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0903 838 291
- Số 127 Huy Cận, Khu dân cư Gia Hòa, P. Phước Long B, TP. Thủ Đức, TP. Hồ Chí Minh
- 0903838291
- timken@qme.vn
- www.qme.vn
This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
SPECIFICATIONS
|
Series |
30303 |
|
Cone Part Number |
X30303 |
|
Cup Part Number |
Y30303 |
|
Design Unit |
Metric |
|
Cage Material |
Stamped Steel |
|
Related Assembly Number(s) |
30303-90KA1 |
DIMENSIONS
|
d - Bore |
17 mm0.6693 in |
|
D - Cup Outer Diameter |
47 mm1.8504 in |
|
B - Cone Width |
14.000 mm0.5512 in |
|
C - Cup Width |
12.000 mm0.4724 in |
|
T - Bearing Width |
15.250 mm0.6004 in |
ABUTMENT AND FILLET DIMENSIONS
|
R - Cone Backface "To Clear" Radius1 |
1.020 mm0.04 in |
|
r - Cup Backface "To Clear" Radius2 |
1.02 mm0.04 in |
|
da - Cone Frontface Backing Diameter |
21.5 mm0.85 in |
|
db - Cone Backface Backing Diameter |
22.5 mm0.89 in |
|
Da - Cup Frontface Backing Diameter |
43.43 mm1.71 in |
|
Db - Cup Backface Backing Diameter |
41.40 mm1.63 in |
|
Ab - Cage-Cone Frontface Clearance |
2.8 mm0.11 in |
|
Aa - Cage-Cone Backface Clearance |
-0.8 mm-0.03 in |
|
a - Effective Center Location3 |
-4.8 mm-0.19 in |
BASIC LOAD RATINGS
|
C90 - Dynamic Radial Rating (90 million revolutions)4 |
8480 N1910 lbf |
|
C1 - Dynamic Radial Rating (1 million revolutions)5 |
32700 N7360 lbf |
|
C0 - Static Radial Rating |
28400 N6390 lbf |
|
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
4140 N931 lbf |
FACTORS
|
K - Factor7 |
2.05 |
|
e - ISO Factor8 |
0.29 |
|
Y - ISO Factor9 |
2.11 |
|
G1 - Heat Generation Factor (Roller-Raceway) |
5.8 |
|
G2 - Heat Generation Factor (Rib-Roller End) |
5 |
|
Cg - Geometry Factor10 |
0.0412 |
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