Original
By certification 
Changzhou Jade-bearing Co.,Ltd is one of the top level CNJDB combined bearings for heavy loads adjustable from outside for steel sections manufacturers and suppliers in China, welcome to buy cheap combined bearings for heavy loads adjustable from outside for steel sections from our factory.
Combined bearings for high loads
Technical Sheet:
|
CNJDB ZZ |
Dimensions |
Load ratings |
|||||||||||
|
d mm |
D mm |
B mm |
H mm |
H1 mm |
C1 mm |
d 1 mm |
S mm |
r mm |
C KN |
Co KN |
CA KN |
CoA KN |
|
MR4180 |
70 |
170 |
51 |
109.7 |
84.7 |
49.7 |
98 |
11.2 |
4 |
195 |
360 |
85 |
130 |
MR4181 |
80 |
185 |
47 |
100 |
75 |
49.7 |
115 |
15 |
3 |
235 |
440 |
85 |
130 |
MR4182 |
110 |
220 |
60 |
115 |
90 |
70 |
150 |
13.5 |
5 |
365 |
720 |
105 |
230 |
MR4183 |
130 |
260 |
60 |
120 |
95 |
80 |
184 |
18.5 |
5 |
475 |
1000 |
165 |
280 |
MR4184 |
150 |
260 |
80 |
135 |
110 |
80 |
187 |
10 |
5 |
565 |
1300 |
165 |
280 |
MR4185 |
140 |
300 |
80 |
140 |
110 |
86 |
190 |
10 |
8 |
550 |
1275 |
195 |
335 |
MR4186 |
140 |
315 |
89 |
240 |
120 |
100 |
240 |
10 |
8 |
785 |
1690 |
225 |
390 |
MR4187 |
140 |
340 |
89 |
150 |
120 |
100 |
240 |
10 |
8 |
785 |
1690 |
225 |
390 |
MR4188 |
170 |
390 |
118 |
200 |
150 |
100 |
242 |
11 |
8 |
1075 |
2535 |
225 |
390 |
Raw Materials:
Outer Rings |
Steel UNI 16CrNi4 casehardened and tempered Final surface hardness 62+/-2 Hrc |
Inner Rings |
Steel UNI100Cr6 hardened and tempered Final surface hardness 62+/-2 Hrc |
Rolling Elements |
Steel UNI 100Cr6 hardened and tempered Final hardness 62+/-1 Hrc |
Main Stud |
Fe52C annealed to be easily welded |
Dimensional Tolerances,Clearances,Load Factors:
Tolerances |
According to DIN 620 |
Tolerance Class |
P "0". |
Radial Clearance |
According to DIN 620 |
Load Ratings |
According to ISO 76 and ISO 281 |
