تم الحل ✓
categoryالهندسة الميكانيكية
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
34. (10 pts) Select the rolling element bearings for a helical gear set, such that they are two identical
Type-2 deep-groove ball bearings with minimum 90% reliability. Use the table given. Assume
the radial force as 3.000 N and axial force 600 N. In your design, select an appropriate shaft
diameter and your design life?
Table 11-2
Dimensions and Load Ratings for Single-Row 02-Series Deep-Groove and Angular-Contact Ball Bearings
Fillet
Bore, OD, Width, Radius,
Shoulder
Diameter, mm
Load Ratings, kN
Deep Groove
Angular Contact
mm
mm
mm
ds
d
C₁e
CO
Сто
2225899
10
30
9
0.6
12.5
27
5.07
2.24
4.94
2.12
12
32
10
0.6
14.5
28
6.89
3.10
7.02
3.05
15
35
0.6
17.5
31
7.80
3.55
8.06
3.65
17
40
12
0.6
19.5
34
9.56
4.50
9.95
4.75
20
47
14
1.0
25
41
12.7
6.20
13.3
6.55
52
15
1.0
30
47
14.0
6.95
14.8
7.65
30
62
16
1.0
35
55
19.5
10.0
20.3
11.0
35
12
72
17
1.0
41
65
25.5
13.7
27.0
15.0
40
80
18
1.0
46
72
30.7
16.6
31.9
18.6
45
85
50
90
55
100
21
60
110
65
120
70
125
75
130
80
140
98สสสส 8
19
1.0
52
77
33.2
18.6
35.8
21.2
20
1.0
56
82
35.1
19.6
37.7
22.8
1.5
22
1.5
22
63
90
43.6
25.0
46.2
28.5
70
99
47.5
28.0
55.9
35.5
23
1.5
74
109
55.9
34.0
63.7
41.5
24
1.5
79
114
61.8
37.5
68.9
45.5
25
1.5
86
119
66.3
40.5
71.5
49.0
26
20
93
127
70.2
45.0
80.6
55.0
Fa/(VF,) se
Fa/(VF,) > e
Falco
X₁
Y₁
Y₂
0.014*
0.19
1.00
0
0.56
2.30
0.021
0.21
1.00
0
0.56
2.15
0.028
0.22
1.00
0.56
1.99
0.042
0.24
1.00
0.56
1.85
0.056
0.26
1.00
0.56
1.71
0.070
0.27
1.00
0.56
1.63
0.084
0.28
1.00
0.56
1.55
0.110
0.30
1.00
0.56
1.45
0.17
0.34
1.00
0.56
1.31
0.28
0.38
1.00
0
0.56
1.15
0.42
0.42
1.00
0.56
0.44
1.00
00
0.56
1.04
0.56
1.00
*Use 0.014 if Fa/Co<0.014.
check_circle الجواب — حل مفصل خطوة بخطوة
hourglass_top
🔒
الحل الكامل متاح للمشتركين
اشترك في أرشيف الأسئلة لعرض هذا الحل وآلاف الحلول المفصلة خطوة بخطوة من معلمين معتمدين.