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FOUR-ROW CYLINDRICAL ROLLER BEARING SELECTION AND APPLICATION
1) Four row cylindrical roller bearing features
Four row cylindrical bearing has strong radial load capacity, with high hardness and accuracy. Compare with bearings with same inner ring size, it has smaller size profile, higher speed limit, plus the inner and outer ring can be interchanged. It can not take axial force, therefore. It has to be used with other supporting bearings, but it can not be seen as its weakness, because such installment can maximally unleash its radial load ability.
As bearings are interchangeable, it is easy for installation. Nowadays, the rolling production trends to be higher speed with stronger load capacity and better accuracy, four row cylindrical roller bearing has huge vitality and market, it has become the first choice for various types of mill roller bearings.
2) Four row cylindrical roller bearing structures
FC type: Composited by two outer rings with ribs, cylindrical rollers, cage outer components, and whole inner ring. The cage is comb-like structure.
FCD type: Composited by two outer rings with ribs, cylindrical rollers, cage outer components, and two inner rings. The cage is comb-like structure.
PCDP type: Composited by two outer rings without ribs, cylindrical rollers and the cage of pillar structure. Rollers are central perforated, in order to use pillars to connect with the cage.
3) Four row cylindrical roller bearing’s coordination with roll neck and bearing inner holes
4) Four row cylindrical roller bearing’s radial clearance choices
As the radial support bearing of the roll, the four row cylindrical roller bearing normally works under extremely poor conditions. In practical work environment, the actual clearance, load, speed, lubrication, temperature rises, the designed structures, surface roughness and the magnitude of interference of inner ring etc, should be considered in light of specific circumstances.
C 3 unit clearance is recommended to be used for cold rolling mill or small inner ring interference fit..
C 4 unit clearance is recommended to be used for hot rolling mill or large inner ring interference fit.
Dimensions (mm) |
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Weight (kg) |
Number |
SKF |
FAG |
NTN |
NSK |
KOYO |
d |
D |
B |
Fw |
kg |
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90 |
140 |
70 |
105 |
4.4 |
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90 |
140 |
70 |
105 |
4.4 |
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90 |
140 |
74 |
105 |
4.5 |
FC182874 |
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100 |
138 |
80 |
110 |
3.7 |
FC202880 |
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100 |
140 |
70 |
111 |
3.5 |
FC202870 |
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100 |
140 |
104 |
111 |
5.1 |
FC2028104 |
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100RV1401 |
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100 |
140 |
104 |
111 |
5.1 |
FC2028104YZ |
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100RV1401 |
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100 |
145 |
70 |
113 |
4.1 |
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20FC1470 |
100 |
150 |
106 |
113 |
6.8 |
FC2030106 |
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100 |
150 |
106 |
113 |
6.8 |
FC2030106YZ |
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110 |
150 |
80 |
122 |
4.4 |
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110 |
170 |
90 |
127 |
7.9 |
FC223490 |
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110 |
170 |
120 |
127 |
10.6 |
FC2234120 |
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110 |
170 |
120 |
127 |
10.6 |
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120 |
180 |
92 |
137 |
8.7 |
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120 |
180 |
105 |
136 |
9.8 |
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120 |
180 |
105 |
136 |
9.8 |
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120 |
180 |
120 |
136 |
11.2 |
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130 |
200 |
104 |
150 |
12.5 |
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130 |
200 |
125 |
149 |
15 |
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130 |
200 |
125 |
149 |
15 |
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140 |
190 |
119 |
154 |
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140 |
210 |
100 |
158 |
12.8 |
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140 |
210 |
106 |
158 |
13.6 |
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140 |
210 |
125 |
158 |
15.8 |
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140 |
210 |
125 |
158 |
15.8 |
FC2842125YZ |
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140 |
210 |
155 |
158 |
19.6 |
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140 |
210 |
155 |
158 |
19.6 |
FC2842155YZ |
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145 |
210 |
155 |
166 |
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314625 |
511605 |
4R2906 |
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145 |
210 |
155 |
166 |
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314625 |
511605 |
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145 |
225 |
156 |
169 |
24.4 |
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225 |
156 |
169 |
24.4 |
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120 |
169 |
18 |
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169 |
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230 |
156 |
174 |
24.6 |
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150 |
230 |
156 |
174 |
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150RV2301 |
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160 |
225 |
168 |
183 |
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160 |
230 |
130 |
180 |
18 |
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314190 |
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160 |
230 |
130 |
180 |
18.7 |
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160 |
230 |
168 |
180 |
24.2 |
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160 |
240 |
124 |
183 |
20.6 |
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160 |
240 |
124 |
183 |
20.6 |
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240 |
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183 |
20.6 |
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160 |
240 |
168 |
183 |
28 |
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240 |
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183 |
28.5 |
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38.2 |
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16.3 |
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180 |
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250 |
170 |
192 |
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170 |
250 |
170 |
192 |
29.9 |
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170 |
250 |
170 |
192 |
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170 |
260 |
120 |
195 |
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170 |
260 |
120 |
195 |
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24.2 |
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260 |
170 |
196 |
30.2 |
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170 |
260 |
225 |
196 |
34.9 |
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313587B |
505470 |
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180 |
250 |
120 |
200 |
19 |
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180 |
250 |
130 |
200 |
20.6 |
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180 |
250 |
156 |
200 |
24.7 |
FC3650156/P64 |
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180 |
250 |
156 |
200 |
24.7 |
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4R3625 |
180RV2501 |
36FC25156C3 |
180 |
260 |
120 |
202 |
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180 |
260 |
124 |
202 |
22.6 |
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180 |
160 |
154 |
202 |
28.2 |
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180 |
260 |
160 |
202 |
29.2 |
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180 |
260 |
168 |
202 |
30.7 |
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180 |
260 |
168 |
202 |
30.7 |
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180 |
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168 |
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30.7 |
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180 |
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32.9 |
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280 |
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43.4 |
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180 |
280 |
180 |
207 |
43.4 |
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190 |
260 |
168 |
212 |
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190 |
260 |
168 |
212 |
27.9 |
FC3852168/C4 |
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|
190 |
265 |
124 |
213 |
22.1 |
FC3854124 |
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190 |
270 |
124 |
212 |
24.2 |
FC3854124 |
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190 |
270 |
168 |
212 |
32.7 |
FC3854168 |
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190 |
270 |
168 |
212 |
32 |
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190 |
270 |
200 |
212 |
38 |
FC3854200 |
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190RV2701 |
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190 |
270 |
200 |
212 |
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314199B |
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190 |
280 |
200 |
214 |
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314049A |
510199 |
4R3823 |
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200 |
270 |
120 |
222 |
20.8 |
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200 |
270 |
170 |
222 |
29.5 |
FC/4054170/C4 |
314533 |
522742 |
4R4039 |
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200 |
280 |
200 |
222 |
39.9 |
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200 |
280 |
200 |
222 |
39.9 |
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313893 |
508726 |
4R4037 |
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200 |
280 |
200 |
224 |
39.9 |
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200 |
290 |
130 |
226 |
29.9 |
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200 |
290 |
192 |
226 |
44.9 |
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200 |
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40.6 |
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210 |
290 |
192 |
236 |
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210 |
300 |
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242 |
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510 |
370 |
392 |
273 |
FCD72102370 |
|
|
|
|
|
370 |
520 |
380 |
409 |
260.5 |
FCD74104380YZ |
314486A |
543975 |
|
|
|
370 |
520 |
380 |
409 |
263.2 |
FCD74104380 |
314486A |
542975 |
|
|
|
370 |
520 |
380 |
409 |
260.5 |
FCDP74104380YZ |
|
|
|
|
|
370 |
520 |
380 |
409 |
263.2 |
FCD74104380 |
|
|
|
|
|
370 |
540 |
400 |
416 |
322.4 |
FCD/74108400 |
|
|
|
|
|
380 |
540 |
380 |
422 |
290.9 |
FCD/76108380 |
|
|
|
|
|
380 |
540 |
400 |
422 |
290.9 |
FCD76108400 |
|
|
|
|
|
380 |
540 |
400 |
422 |
290.9 |
FCDP76108400 |
BC4B313511B |
517792 |
E-4R7604 |
|
|
390 |
540 |
320 |
431 |
308 |
FCDP78108320 |
BC4B322498 |
|
|
|
|
390 |
550 |
310 |
430 |
312 |
FCDP78110310 |
313190A |
|
|
|
|
400 |
590 |
410 |
445 |
320 |
FCDP80112410 |
313015DC |
513769A |
4R8010 |
400RV5611 |
|
400 |
590 |
410 |
450 |
320 |
FCD80118440 |
315802/VJ202 |
542395 |
|
|
|
410 |
560 |
400 |
450 |
330 |
FCDP82112400 |
316689 |
561005 |
|
|
|
|
|
|
, |
|
|
|
|
|
|
|
410 |
600 |
440 |
460 |
330 |
FCDP82120440 |
313877B |
517436 |
|
|
|
420 |
580 |
260 |
468 |
335 |
FCD84116260 |
BC2B320074A/V1202 |
|
|
|
|
420 |
580 |
320 |
463 |
335 |
FCD84116320 |
313555B/V1202 |
|
|
|
|
420 |
600 |
440 |
470 |
335 |
FCDP84120440 |
313513 |
517464 |
|
|
|
420 |
620 |
400 |
473 |
335 |
FCD84124400 |
314391/V1202 |
|
|
|
|
|
|
|
|
348 |
|
|
|
|
|
|
440 |
620 |
450 |
487 |
348 |
FCDP88124450 |
314554B |
|
|
|
|
440 |
650 |
355 |
494 |
|
FCDP88130355 |
316899A |
|
|
|
|
450 |
590 |
300 |
490 |
354 |
FCDP90118300 |
315811E |
|
|
|
|
460 |
650 |
424 |
510 |
341 |
FCDP92130424 |
315196A |
513584 |
|
|
|
460 |
650 |
470 |
509 |
341 |
FCDP92130470 |
314560 |
518846 |
4R9216 |
|
|
480 |
650 |
450 |
525 |
395 |
FCDP96130450 |
316690B |
|
4R9609 |
|
|
480 |
680 |
420 |
528 |
395 |
FCDP96136420 |
319320 |
533522 |
|
|
|
480 |
680 |
500 |
532 |
395 |
FCDP96136500 |
313516D |
51445A |
4R9604 |
|
|
500 |
650 |
460 |
542 |
467 |
FCD100130260 |
319254/VJ202 |
|
|
|
|
500 |
670 |
450 |
540 |
463.1 |
FCDP100134450 |
316083A |
|
|
|
|
500 |
680 |
405 |
550 |
452.7 |
FCD100136405 |
|
|
E-4R10010 |
|
|
500 |
680 |
450 |
550 |
475 |
FCDP100136450 |
BC4B316515 |
|
|
|
|
500 |
710 |
480 |
558 |
475 |
FCD100142480 |
316968A |
|
|
|
|
500 |
720 |
400 |
558 |
438 |
FCD100144400 |
BC4B322066 |
|
|
|
|
500 |
720 |
530 |
568 |
755.9 |
FCD100144530 |
314441B |
|
|
|
|
510 |
680 |
500 |
560 |
755.9 |
FCDP102136500 |
BC4B319411 |
|
|
|
|
510 |
730 |
520 |
569 |
755.9 |
FCD102146520 |
BC4-8009/HB1 |
|
|
|
|
510 |
760 |
550 |
570 |
755.9 |
FCDP102152550 |
BC4-8007/HB1 |
|
|
|
|
530 |
760 |
520 |
587 |
755.9 |
FCDP106152520 |
314886A |
|
|
|
|
530 |
780 |
500 |
591 |
755.9 |
FCD106156500 |
315040/VJ202 |
|
|
|
|
530 |
780 |
570 |
601 |
755.9 |
FCDP106156570 |
314517A |
|
|
|
|
550 |
740 |
510 |
600 |
755.9 |
FCDP110148510 |
316691B |
|
|
|
|
550 |
800 |
520 |
612 |
755.9 |
FCDP110160520 |
316115/VJ202 |
|
|
|
|
550 |
800 |
560 |
610 |
755.9 |
FC110160560 |
BC4B322719/HB1 |
|
|
|
|
570 |
750 |
530 |
622 |
662.5 |
C3G6727/570 |
|
|
|
|
|
570 |
750 |
530 |
622 |
, 662.5 |
3G6727/570B1 |
|
|
|
|
|
600 |
820 |
575 |
600 |
662.5 |
FCDP120164575 |
315175A漏 |
|
|
|
|
600 |
870 |
540 |
672 |
662.5 |
FCDP120174540 |
315068A |
|
|
|
|
600 |
870 |
640 |
672 |
662.5 |
FCDP120174640 |
315513 |
|
|
|
|
610 |
820 |
430 |
665 |
662.5 |
FCDP122164430 |
315257A |
|
|
|
|
650 |
900 |
650 |
704 |
662.5 |
FCDP130180650 |
BC4-8002/HA6 |
|
|
|
|
650 |
920 |
670 |
723 |
662.5 |
FCDP130184670 |
313007C |
|
|
|
|
660 |
820 |
440 |
702 |
662.5 |
FCD132164440 |
239509FA |
|
|
|
|
660 |
880 |
450 |
727 |
|
FCD132176450 |
313477/VJ202 |
|
|
|
|
680 |
940 |
600 |
743 |
|
FCDP136188600 |
|
533683 |
|
|
|
680 |
980 |
640 |
760 |
|
FCDP136196640 |
313154C |
524229 |
|
|
|
690 |
980 |
715 |
768 |
|
FCDP138196715 |
313008A |
517681 |
E-4R13802 |
690RV9831 |
|
690 |
980 |
750 |
766 |
|
FCDP138196750 |
|
|
|
690RV9832 |
138FC98750 |
700 |
930 |
620 |
763 |
|
FCDP140186620 |
316967 |
530487 |
E-4R14003 |
700RV9311 |
|
700 |
980 |
700 |
774 |
|
FCDP140196700 |
|
|
|
700RV9821 |
140FC98700 |
710 |
1000 |
715 |
788 |
|
FCDP142200715 |
313403C |
517680A |
E-4R14205 |
710RV1011 |
|
730 |
940 |
500 |
780 |
|
FCDP146188500 |
|
526447 |
|
|
|
730 |
960 |
620 |
790 |
|
FCD146192620 |
315982 |
525438 |
|
730RV9611 |
|
730 |
1030 |
750 |
809 |
|
FCDP146206750 |
314518B |
517679 |
|
730RV1011 |
|
750 |
1000 |
500 |
816 |
|
FCD150200500 |
314420/VJ202 |
|
|
|
|
750 |
1000 |
670 |
813 |
|
FCDP150200670 |
315973 |
524881A |
|
750RV1011 |
|
780 |
1070 |
780 |
853 |
|
FCDP156214780 |
BC4-8015/HB1 |
540088 |
|
|
|
800 |
1080 |
700 |
878 |
|
FCDP160216700 |
315599A |
526169 |
|
800RV1011 |
|
800 |
1150 |
850 |
905 |
|
FCDP160230850 |
|
524137 |
|
|
|
820 |
1130 |
800 |
903 |
|
FCDP164226800 |
BC4B320455 |
|
E-4R16004 |
820RV1117 |
|
850 |
1150 |
840 |
928 |
|
FCDP170230840 |
315826A(B) |
5445636 |
|
850RV1114 |
|
850 |
1180 |
850 |
940 |
|
FCDP170236850 |
|
|
|
850RV1111 |
170FC118850 |
850 |
1220 |
900 |
940 |
|
FCDP170244900 |
|
523397 |
|
|
|
900 |
1220 |
840 |
989 |
|
FCDP180244840 |
316043 |
527048 |
|
900RV1212 |
|
900 |
1280 |
930 |
1000 |
|
FCDP180256930 |
313528C |
541812 |
|
900RV1213 |
|
950 |
1300 |
850 |
1044 |
|
FCD190260850 |
|
|
|
|
|
950 |
1360 |
975 |
1075 |
|
FCDP190272975 |
BC4B319862 |
|
|
|
|
950 |
1360 |
1000 |
1075 |
|
FCDP1902721000 |
314520C |
517369 |
|
950RV1311 |
|
980 |
1310 |
880 |
1062 |
|
FCDP196262880 |
319303 |
|
|
|
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