
Mini Track Roller B50
They are composition of two pieces of forged semi-roller and the roller body is welded by CO2 automatic welding.
Product Introduction
Mini Track Roller B50
Production description
Mini excavator track rollers are composition of two pieces of forged semi-roller and the roller body is welded by CO2 automatic welding.
Advantages
Maximum life
Each Kubota excavator track roller shell is carefully heat treated to ensure long wear life and stress resistance.
Bimetal bushing
Bimetal bushing of our Kubota excavator lower roller is based on steel plate which special alloy is sintered on it. It shows high loading ability and high ability of fatigue resistance.
Floating seal group
Floating seal group of our kubota excavator bottom roller has super seal performance under bad working conditions like being muddy or steamy etc.. it is applicable for the condition of low speed and heavy load. And it is anti-friction and can be auto-compensated after wearing.
Structure

Sizes

MODLE | B50 |
Applicable pitch range | 90 to 317.5 |
Material | 50MN for track roller bodies |
features | Proper induction hardening and tempered and spray hardening |
Manufacturing method | casing ,forging,heat treatment,lathing,milling,drilling,grinding,oil leakage testing,assembly,painting |
Color | Black and yellow |
Packing | Seaworthy pallets |
Delivery time | About 30 days |
Port of shipment | Xiamen |
OEM and ODM | Acceptable |
Perment term | TT and LC |
Our mini excavator bottom rollers are applieable to below models:
| 4.Popular items blow for reference: | ||||
| Brand | Model | |||
| KOMATSU-PC | PC18-2 | PC20-5/7 | PC30-5/6/7/8 | PC40-5/6/7 |
| PC50/PC55 | PC60-5/6/7 | PC100-5/6/7 | PC120-5-6-7 | |
| PC200-3/5/6/7/8 | PC220-3/5/6/7/8 | PC200LC-3/5/6/7/8 | PC220-3/5/6/7/8 | |
| PC300-5-6-7 | PC300LC-/5-6-7 | PC350-5/6/7 | PC350LC-5/6/7 | |
| PC360-5/6/7 | PC360LC-5/6/7 | PC400-1/3/5/6/7 | PC400LC-1/3/5/6/7 | |
| PC450-5/6/7 | PC450LC-5/6/7 | PC600 | PC800 | |
| HITACHI-EX | EX30 | EX40 | EX55 | EX60-2/3/5 |
| EX70 | EX100-1/3/5/ | EX120-1/3/5 | EX150 | |
| EX200-1/2/3/5 | EX200LC-1/2/3/5 | EX220-1/2/3/5 | EX220LC-1/2/3/5 | |
| EX270-1/2/5 | EX270LC-1/2/5 | EX300-1/2/3/5 | EX300LC-1/2/3/5 | |
| EX330 | EX330LC | EX400-1/2/3/5 | EX400LC-1/2/3/5 | |
| EX450-1/2/3/5 | EX450LC-1/2/3/5 | UH07-7 | UH081 | |
| UH083 | UH045 | UH025 | ||
| ZAXIS-ZAX-ZX | ZAX55 | ZAX70 | ZAX120 | ZAX200 |
| ZAX210 | ZAX230 | ZAX240 | ZAX330 | |
| ZAX450 | ||||
| CATERPILLAR-CAT-E-B-C/D | E38 | CAT55 (E55) | E70B | E120B |
| E303.5 | E305.5 | E305 | CAT311 | |
| CAT312 (E312) | CAT320 (E320) | E200B | CAT325 (E325) | |
| CAT330 (E330) | CAT345 (E345) | CAT320B | CAT320C | |
| CAT320D | CAT320BL | CAT330B | CAT330C | |
| CAT330BL | CAT330D | CAT325B | CAT325BL | |
| CAT345 | ||||
| VOLVO-EC | EC14 | EC20 | VOLVO55 (EC55) | VOLVO140 (EC140) |
| VOLVO210 (EC210) | VOLVO240 (EC240) | VOLVO290 (EC290) | VOLVO360 (EC360) | |
| VOLVO460 (EC460) | ||||
| DAEWOO-DH | DH55 | DH80 | DH130 | DH150 |
| DOOSAN-DX | DH220 | DH258 | DH280 | DH300 |
| DH320 | DH360 | DH370 | DH400 | |
| DH420 | DH500 | |||
| DX300 | DX370 | DX380 | ||
| KOBELCO-SK | SK035 | SK035SR | SK30 | SK35 |
| SK45 | SK50-1 | SK50-6 | SK55 | |
| SK60-3 | SK60-1/2/5 | SK60-8 | SK100 | |
| SK120 | SK130-8 | SK200-3/5/8 | SK210 | |
| SK230 | SK250 | SK300 | SK320 | |
| SK330 | SK350 | SK07N2 | ||
| SUMITOMO-SH-LS | SH35 | SH55 | SH60 | SH65 |
| SH75 | SH100 | SH120 | SH120A3 | |
| SH200 | SH220 | SH265 | SH280 | |
| SH300 | SH320 | SH340 | SH350 | |
| SH430 | LS2800 | |||
| KATO-HD | HD250 | HD400 | HD450 | HD700 |
| HD770 | HD820 | HD1023 | HD1250 | |
| HD1430 | ||||
| HYUNDAI-R | R55 | R60-5/7/8 | R80 | R130 |
| R150LC-7 | R200 | R210-3 | R220-5 | |
| R225-7 | R275 | R290 | R300 | |
| R320 | R305 | R360 | R450 | |
| LIEBHERR-R | R914 | R924 | R934C | R944C |
| CASE-CX | CX35 | CX45 | CX55 | CX240 |
| Kubota-KX | KX35 | KX50 | KX55 | KX80 |
| KX185 | ||||
| SUNWARD-SWE | SWE35 | SWE40 | SWE50 | SWE55 |
| SWE60 | SWE70 | SWE85 | SWE330 | |
| IHISCE-IHI | IHI30 | IHI35 | IHI80 | IHI85 |
| TAKEUCHI-TB | TB150 | TB175 | ||
| FUTON LOVOL-FR | FR65 | FR85 | ||
| Bobcat | Bobcat 311 | Bobcat 337 | ||
| JCB | JCB8052 | JCB160 | JCB200 | JCB220 |
| JCB290 | JCB330 | |||
| SANY-SY | SY65 | SY200 | SY215 | SY330 |
| YUCHAI-YC | YC13 | YC35 | YC45 | YC60 |
| YC85 | YC135 | |||
| LIUGONG -LG | LIUGONG907 (LG907) | LIUGONG914 (LG914) | LIUGONG925 (LG925) | LIUGONG936 (LG936) |
| LONKING- | LONKING60 | LONKING65 | LONKING85 | |
| YANMAR-VIO | VIO30 YM30 | VIO35 YM35 | VIO40 YM40 | VIO55 YM55 |
| VIO75 YM75 | ||||
| CATERPILLAR-D | D3B D3C | D4 | D4D | D4E |
| D4H | D5 | D5B | D5C | |
| D5H | D5M | D5N | D6 | |
| D6C | D6D | D6R | D6H | |
| D6T | D7G | D7R | D7H | |
| D8N | D8L | D8T | D8R | |
| D8H | D8K | D9L | D9N | |
| D9R | D9T | D10N | D10R | |
| D10T | D11N | D11R | ||
| KOMATSU-D | D20 | D31 | D37EX-21 | D40 |
| D41P-6 | D41E-6 | D50 | D53 | |
| D51EX-22 | D60 | D65 | D65-12 | |
| D61EX-12 | D65EX-12 | D65PX-12 | D80 | |
| D85 | D85EX-15 | D85-21 | D155 | |
| D155A-1 | D155A-2 | D155A-3 | D155A-5 | |
| D155-6 | D275 | D355A-3 | D375-5 | |
| BD2G | ||||
We don’t list out all of models we make. If any more items you need,please feel free to contact with us.
Our factor in quanzhou city,fujian,china

Our factory is located in quanzhou city which is the cultural capital of east asia, the starting point of the silk road at the sea
We are professional manufacturer of undercarriage parts and other related parts of crawler tracked machinery. Our products include track rollers, carrier roller, sprocket rim, front idler, track link, track guard, track adjuster, boom cylinder, arm cylinder, bucket cylinder, bucket busing, bucket pin, track bolt nuts, forging teeth, bucket link, bucket side link, cutting edge and side cutters etc.. they are applicable for world famous brands and Chinese domestic brands like komatsu, hitachi, kobelco, kato, mitusbishi, Kubota, yanmar, Hyundai, doosan, Volvo, case, jcb, sany, xugong, liugong, zoomlion, sunward etc..
FAQ
1. Could you make customer logo?
Yes, we can make customer logos if it reach the moq for customer logo order.
2. If we don’t have drawings, could we develop a new item?
Yes, you can offer us the main dimension. Then we can compare with our ready products and make a drawing for your checking.
3. Could we be your exclusive dealer?
Yes, our policy is that we will not let our customer to compete at the same place.
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