Grippy Broom Holder
Byvc-designLikes0Downloads3.2K
Large file collection DIY
Thư viện Bearing - Airsoft BB 6mm
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Files 218 90.6 MB
- bb_bearing_20_1776513521.stlSTL · 1.2 MB
- bb_bearing_22_1776513522.stlSTL · 1.1 MB
- bb_bearing_24_1776513523.stlSTL · 1 MB
- bb_bearing_25_1776513525.stlSTL · 1 MB
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Description
All the bearings use the standard 6mm Airsoft BBs.
Ranging from 20mm, up to 200 mm (outer diameter), in 2 and 5 millimeter steps, and are 7.1mm thick.
I don't even know what you could do with a 200mm bearing, but if you do, send us a picture about your Amazing project!
Every geometry have been optimized in order to minimize the gap between the spheres.
If you are not comfortable with the internal diameter of the bearing, the .STP file is also available for you to adjust it to your needs.
Printing Tips
- It should be ok to print at 0.2mm layer height, but if you are struggling to get the exact fit just go with 0.1mm and slow down your print.
- Also, if you print just one bearing at a time, be sure to set a minimum layer time, so the printer will wait some time between layers. Otherwise your print will deform, and the bearing won't work properly.
- As always, make sure your filament is properly dry.
- Set random z-seam for better results.
Materials
The idea is to use a material which's hardness is comparable to your BBs one, in order to have a long lasting bearing. As a rule of thumb, the harder, the better.
I recommend using PLA because of it's hardness and cheapness.
Table of Bearings
External Diameter [mm]
Internal Diameter [mm]
N. Spheres
20
4
6
22
6
7
24
8
8
25
8
8
26
10
9
28
12
10
30
14
11
32
14
12
34
16
13
35
18
14
36
18
14
38
20
15
40
22
16
42
24
17
44
26
18
45
28
19
46
28
19
48
30
20
50
32
21
52
34
22
54
36
23
55
38
24
56
38
24
58
40
25
60
42
26
62
44
27
64
46
28
65
48
29
66
50
30
68
52
31
70
54
32
72
56
33
74
58
34
75
58
34
76
60
35
78
62
36
80
64
37
82
66
38
84
68
39
85
68
39
86
70
40
88
72
41
90
74
42
92
76
43
94
78
44
95
78
44
96
80
45
98
80
46
100
82
47
102
84
48
104
85
49
105
88
50
106
88
50
108
90
51
110
92
52
112
94
53
114
96
54
115
198
55
116
198
55
118
100
56
120
102
57
122
104
58
124
106
59
125
108
60
126
108
60
128
110
61
130
112
62
132
116
64
134
118
65
135
118
65
136
120
66
138
122
67
140
124
68
142
126
69
144
128
70
145
128
70
146
130
71
148
132
72
150
134
73
152
136
74
154
138
75
155
138
75
156
140
76
158
142
77
160
144
78
162
146
79
164
146
80
165
148
81
166
148
81
166
148
81
168
150
82
170
152
83
172
154
84
174
156
85
175
158
86
176
158
86
178
160
87
180
162
88
182
164
89
184
166
90
185
168
91
186
168
91
188
170
92
190
172
93
192
174
94
194
176
95
195
178
96
196
178
96
198
182
98
200
184
99
Let's stop glue on 3D prints, together.
Print spec
- Formats
- stlstp
- Model files
- 218
- Total size
- 90.6 MB
- Largest file
- 1.2 MB
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