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Products >
Rolling
>
Mast guide bearings
Single row deep groove ball bearings with filling slots
BL3..
Bearing number
Dimensions
£¨mm£©
Mounting dimensions
£¨mm£©
Basic load ratings
(KN)
Limiting Speed
(r/min)
Mass
(kg)
TCB
d
D
B
r
min
d
a
min
D
a
max
r
a
max
Cr
Cor
Grease
Oil
BL305
25
62
17
1.1
31.5
55.5
1
22.9
15.6
8000
12000
0.24
BL306
30
72
19
1.1
36.5
65.5
1
29.2
20.8
6700
9500
BL307
35
80
21
1.5
43
72
1.5
39.1
28.5
6000
8500
0.48
BL308
40
90
23
1.5
48
82
1.5
46.8
36
5300
7500
0.64
BL309
45
100
25
1.5
53
92
1.5
59.4
46.5
5000
7000
0.88
BL310
50
110
27
2
59
101
2
64.4
52
4500
6300
1.15
BL311
55
120
29
2
64
111
2
79.2
67
4000
5600
1.5
BL312
60
130
31
2.1
71
119
2
91.3
78
3800
5300
1.85
BL313
65
140
33
2.1
76
129
2
102
90
3400
4800
2.3
BL314
70
150
35
2.1
81
139
2
114
102
3200
4500
2.75
BL315
75
160
37
2.1
86
149
2
125
116
3000
4300
3.25
BL316
80
170
39
2.1
91
159
2
138
129
2800
4000
3.95
BL317
85
180
41
3
98
167
2.5
147
146
2600
3800
4.6
BL318
90
190
43
3
103
177
2.5
157
160
2200
3400
5.4
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