Jiangsu Dimond bearing Co. LTD

Company profile

Jiangsu Dimond Bearing Co., Ltd. was founded in 2005, the factory is located in Dalian, the company is committed to rolling mill bearing research and development, layout in three areas: comprehensive rolling mill bearing technical services, imported bearings, cloud rolling technology.

Corporate culture

With "more durable rolling mill bearing" as the brand positioning, user-centered, doer-based, continuous innovation, so that rolling more smoothly, committed to become a rolling mill bearing industry leader.

Creative manufacturing

Craftsman: The bearing builder has more than 30 years of experience. Each set of bearings goes through more than 300 processes before leaving the factory.

Carpenter: Large wide-width rolling mill bearings and imported bearings are made of TIMKEN 3311 carburized bearing steel.

Craftsman: Advanced CNC machining center, CNC rolling body processing production line, high precision CNC internal and external grinding machine.

Quality: Execute GB/T307.4-2005 and exceed the standard.

Smith guarantee: Perfect after-sales guarantee system, cooperate with customers within 6 hours to provide on-site support.

Domestic replacement of imported bearings

In 2010, DMD successfully replaced all roller bearings of SMS Simark 1450 double-stand six-high cold rolling mill in Germany;

Original model: TIMKEN

Support roll: 730ARXS3064/809RXS3064A

Intermediate roller: LM258648DW-LM258610

Work roll: M244249DW/10/10CD

Replacement model: DMD

Support roll: FCDP146206750/HCP53

Intermediate roll: 330870A

Work roll: 331156A

2010 replaced Japan's Mitsubishi Hitachi 1420 single-stand six-high cold rolling mill all roller bearings;

Original model: TIMKEN

Support roll: 690ARXS2966/766RXS2966A

Intermediate roll: 220KVE3303

Work roll: 220KVE2902

Replacement model: DMD

Support roll: FCDP138196750/HCP53

Intermediate roll: 3806/240RS

Work roll: 3806/220RS

In 2014, DMD successfully replaced the American I2S 1450 cone hole four row cone support roller bearings;

Original model: TIMKEN

Support roll: M281631T

Replacement model: DMD

Support roll: 3806/669.671K/HCP5

In 2014, DMD successfully replaced the German SMS Simark 2300CVC aluminum foil rolling mill support roller bearings;

Original model: TIMKEN

Support roll: 780ARXS3064/853RXS3064A

Replacement model: DMD

Support roll: FCDP156214780/HCP53

In 2015, DMD successfully replaced the German SMSΦ508 large caliber high grade seamless steel pipe and all roll bearings of 2 high skew mill;

Original model: FAG

Punch machine: 328376

Replacement model: DMD

Punch machine: 3810/750/HCP53

In 2015, DMD successfully replaced the American I2S 1450 20-high cold rolling mill support roll backing bearing;

Original model: KOYO

Support roll: 26DC30170

Replacement model: DMD

Support roll: NNCF2660170

In 2015, DMD successfully replaced all roller bearings of China's double design 1450 six-high five-tandem cold rolling mill;

Original model: TIMKEN

Support roll: 730ARXS3064/809RXS3064A

Intermediate roll: EE135111DW/55/56D

Work roll: M244249DW/10/10CD

Replacement model: DMD

Support roll: FCDP146206750/HCP53

Intermediate roll: 3806/279.4

Work roll: 3806/220.662

In 2020, DMD successfully replaced China's one weight 1450 five consecutive roll system;

Original model: TIKMEN

Support roller: 780RX3141CF2(diameter 780x diameter 1070x780)

Middle roller: M652911DW-M652911(diameter 279.4x 393.7x269.875)

Work roll: M244249DW/210/210CD(diameter 220.662x 314.325x239.712)

Replacement model: DMD

Support roll: FCDP146206750

Intermediate roll: 3806/279.4

Work roll: 3806/220.662

2023 DMD successfully replaced Mitsubishi Hitachi 3500 wide and thick plate mill support roll bearings;

Original model: SKF 316234 (Ø1000XØ1360X800)

Replacement model: FCDP180244840(Ø1000XØ1360X800)

In 2023, DMD successfully replaced German Simark Aluminum 2300 three-stand hot rolling support roller bearings;

Original model: TIKMEN 900RX34444A (Ø900XØ1220X840)

Replacement model: FCDP180244840(Ø900XØ1220X840)

In 2023, DMD successfully replaced MCC Capital 1450 five-continuous roll system;

Original model: TIKMEN

Support roller: 780RX3141CF2(diameter 780x diameter 1070x780)

Middle roller: M652911DW-M652911(diameter 279.4x 393.7x269.875)

Work roller: NP400707-JM447710/7710D(240x 338x248)

Replacement model: DMD

Support roll: FCDP156214780

Intermediate roll: 3806/279.4

Work roll: 380648X2

In 2024, DMD successfully replaced Japan IHI Aluminum 2350 single-stand hot rolling support roller bearings;

Original model: KOYO 200FC136100HCS(Ø1000XØ1360X1000)

Replacement model: FCDP2002721000(Ø1000XØ1360X1000)

In 2024, DMD successfully replaced the German Simark Aluminum 2100 three-stand cold rolling support roller bearing;

Original Model: SKF 315826D (Ø850XØ1150X840)

Replacement model: FCDP170230840(Ø850XØ1150X840)