Specification: 1) Sliding contact surfaces: Steel vs. bronze. 2) Materials: Outer race is made of carbon steel, inner race is made of high chrome bearing steel, medium race is bronze. 3) Heat treatment: Without heat treatment on outer race and bronze race. Inner race is quenched (hardened), and surface plated with chrome. 4) Features of structure: With oil groove or oil hole. Outer race formed by extrusion. With a bronze race between outer race and inner race. 5) Properties: Self-lubricated, low friction, good wearability, self-alignment.
Designation
d
D
B
C
dk
r1 min
r2 min
α
Dynamic (KN)
Static (KN)
Weight (Kg)
PB5
5
16
8
6
11.112
0.3
13
3.3
7.8
0.009
PB6
18
9
6.75
12.7
4.3
9.8
0.013
PB10
10
26
14
10.5
19.05
0.6
23
0.039
PB12
12
30
22.23
31
0.058
PB14
34
19
13.5
25.4
17
40
0.084
PB16
38
21
15
28.58
50
0.111
PB18
42
16.5
31.75
61
0.16
PB20
20
46
25
34.93
73
0.21
PB22
22
28
38.1
88
0.26
PB25
56
42.86
47
110
0.39
PB28
62
35
47.63
59
138
0.53
PB30
66
37
50.8
63
148
0.61