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TTBC and HMD brand bearing rings and steel balls are made of GCr15, and different materials can also be used according to customer actual needs; The cage is usually made of 0.8F cold rolled steel plate, stamped, and there are also plastic and nylon cages.
The accuracy of TTBC and HMD brand bearings is divided into five levels: 0, 6, 5, 4, and 2, and the tolerance level follows the GB/T307.1-2005 standard. The radial clearance is divided into five groups according to the ISO5753 standard: C0, C2, C3, C4, and C5.
TTBC and HMD brand bearings can be produced in various sealing forms: RZ, ZZ, RS, 2RS, UG, pure open.
TTBC and HMD brand bearings have a wide range of applications and are widely used in industries such as automobiles, motorcycles, motors, household appliances, sports equipment, office supplies, agricultural machinery products, etc. They are exported to Southeast Asia, Europe and America, the United States and Canada, the Middle East, and other regions, and have won unanimous praise from customers.
TTBC and HMD brand bearings have the following characteristics:
1. Super strong bearing capacity;
2. Quick rotation;
3. Durable and durable, with a long service life;
4. High quality and precision bearings;
5. High temperature resistant design bearings;
6. Ultra quiet design makes your device more comfortable;
7. A bearing brand with a long history and is trustworthy;
8. Bearings have a wide range of applications.
(Reference) |
Inside diameter |
Outside diameter |
Height |
Chamfer (r) |
Cr(N)Basic |
Cor(N)Basic |
Limiting Speed |
||||
(Open) |
(Shield) |
(d) |
(D) |
(Open) |
(Shield) |
(Open) |
(Shield) |
Dynamic |
Static |
(Grease) |
(Oil) |
(B) |
(B1) |
*1000rpm |
|||||||||
MR52 |
MR52ZZ |
2 |
5 |
2 |
2.5 |
0.1 |
0.1 |
160 |
50 |
88 |
100 |
MR62 |
MR62ZZ |
6 |
2.5 |
2.5 |
0.15 |
0.15 |
330 |
98 |
75 |
90 |
|
MR72 |
MF72ZZ |
7 |
2.5 |
3 |
0.15 |
0.15 |
385 |
127 |
63 |
75 |
|
MR82X |
- |
2.5 |
8 |
2.5 |
- |
0.2 |
- |
560 |
179 |
60 |
67 |
MR63 |
MR63ZZ |
3 |
6 |
2 |
2.5 |
0.1 |
0.1 |
208 |
74 |
71 |
80 |
MR83 |
MR83ZZ |
8 |
2.5 |
- |
0.15 |
- |
560 |
179 |
60 |
67 |
|
MR93 |
MR93ZZ |
9 |
2.5 |
4 |
0.2 |
0.15 |
570 |
187 |
56 |
67 |
|
MR74 |
MR74ZZ |
4 |
7 |
2 |
2.5 |
0.1 |
0.1 |
310 |
115 |
60 |
67 |
MR84 |
MR84ZZ |
8 |
2 |
3 |
0.15 |
0.1 |
395 |
139 |
56 |
67 |
|
MR104 |
MR104ZZ |
10 |
3 |
4 |
0.2 |
0.15 |
585 |
204 |
48 |
56 |
|
MR85 |
M R85ZZ |
5 |
8 |
2 |
2.5 |
0.1 |
0.1 |
310 |
12 |
53 |
63 |
M R95 |
M R95ZZ |
9 |
2.5 |
3 |
0.15 |
0.15 |
430 |
168 |
50 |
60 |
|
M R105 |
M R105ZZ |
10 |
3 |
4 |
0.15 |
0.15 |
430 |
168 |
50 |
60 |
|
M R115 |
M R115ZZ |
11 |
- |
4 |
0.15 |
0.15 |
716 |
282 |
45 |
56 |
|
MR106 |
M R106ZZ |
6 |
10 |
2.5 |
3 |
0.15 |
0.1 |
495 |
218 |
45 |
53 |
M R126 |
M R126ZZ |
12 |
3 |
4 |
0.2 |
0.15 |
715 |
292 |
43 |
50 |
|
M R117 |
MR117ZZ |
7 |
11 |
2.5 |
3 |
0.15 |
0.1 |
455 |
201 |
43 |
50 |
M R137 |
M R137ZZ |
13 |
3 |
4 |
0.2 |
0.15 |
540 |
276 |
40 |
48 |
|
M R128 |
M R128ZZ |
8 |
12 |
2.5 |
3.5 |
0.15 |
0.1 |
545 |
275 |
40 |
48 |
Mr148 |
M R148ZZ |
14 |
3.5 |
4 |
0.2 |
0.15 |
820 |
385 |
38 |
45 |
Inside diameter |
(d) |
2 | |
outside diameter |
(D) |
5 | |
height |
(Open) |
(B) |
2 |
(Shield) |
(B1) |
2.5 | |
Chamfer (r) |
(Open) |
0.1 | |
(Shield) |
0.1 | ||
Cr(N)Basic |
Dynamic |
160 | |
Cor(N)Basic |
Static |
50 | |
Limiting Speed |
(Grease) |
*1000rpm |
88 |
(Oil) |
100 | ||
(Reference) |
(Open) |
MR52 | |
(Shield) |
MR52ZZ |
Inside diameter |
(d) |
2 | |
outside diameter |
(D) |
6 | |
height |
(Open) |
(B) |
2.5 |
(Shield) |
(B1) |
2.5 | |
Chamfer (r) |
(Open) |
0.15 | |
(Shield) |
0.15 | ||
Cr(N)Basic |
Dynamic |
330 | |
Cor(N)Basic |
Static |
98 | |
Limiting Speed |
(Grease) |
*1000rpm |
75 |
(Oil) |
90 | ||
(Reference) |
(Open) |
MR62 | |
(Shield) |
MR62ZZ |
Inside diameter |
(d) |
2 | |
outside diameter |
(D) |
7 | |
height |
(Open) |
(B) |
2.5 |
(Shield) |
(B1) |
3 | |
Chamfer (r) |
(Open) |
0.15 | |
(Shield) |
0.15 | ||
Cr(N)Basic |
Dynamic |
385 | |
Cor(N)Basic |
Static |
127 | |
Limiting Speed |
(Grease) |
*1000rpm |
63 |
(Oil) |
75 | ||
(Reference) |
(Open) |
MR72 | |
(Shield) |
MR72ZZ |
Inside diameter |
(d) |
2.5 | |
outside diameter |
(D) |
8 | |
height |
(Open) |
(B) |
2.5 |
(Shield) |
(B1) |
- | |
Chamfer (r) |
(Open) |
0.2 | |
(Shield) |
- | ||
Cr(N)Basic |
Dynamic |
560 | |
Cor(N)Basic |
Static |
179 | |
Limiting Speed |
(Grease) |
*1000rpm |
60 |
(Oil) |
67 | ||
(Reference) |
(Open) |
MR82X | |
(Shield) |
- |
Inside diameter |
(d) |
3 | |
outside diameter |
(D) |
6 | |
height |
(Open) |
(B) |
2 |
(Shield) |
(B1) |
2.5 | |
Chamfer (r) |
(Open) |
0.1 | |
(Shield) |
0.1 | ||
Cr(N)Basic |
Dynamic |
208 | |
Cor(N)Basic |
Static |
74 | |
Limiting Speed |
(Grease) |
*1000rpm |
71 |
(Oil) |
80 | ||
(Reference) |
(Open) |
MR63 | |
(Shield) |
MR63ZZ |
Inside diameter |
(d) |
3 | |
outside diameter |
(D) |
8 | |
height |
(Open) |
(B) |
2.5 |
(Shield) |
(B1) |
- | |
Chamfer (r) |
(Open) |
0.15 | |
(Shield) |
- | ||
Cr(N)Basic |
Dynamic |
560 | |
Cor(N)Basic |
Static |
179 | |
Limiting Speed |
(Grease) |
*1000rpm |
60 |
(Oil) |
67 | ||
(Reference) |
(Open) |
MR83 | |
(Shield) |
MR83ZZ |
Inside diameter |
(d) |
3 | |
outside diameter |
(D) |
9 | |
height |
(Open) |
(B) |
2.5 |
(Shield) |
(B1) |
4 | |
Chamfer (r) |
(Open) |
0.2 | |
(Shield) |
0.15 | ||
Cr(N)Basic |
Dynamic |
570 | |
Cor(N)Basic |
Static |
187 | |
Limiting Speed |
(Grease) |
*1000rpm |
56 |
(Oil) |
67 | ||
(Reference) |
(Open) |
MR93 | |
(Shield) |
MR93ZZ |
Inside diameter |
(d) |
4 | |
outside diameter |
(D) |
7 | |
height |
(Open) |
(B) |
2 |
(Shield) |
(B1) |
2.5 | |
Chamfer (r) |
(Open) |
0.1 | |
(Shield) |
0.1 | ||
Cr(N)Basic |
Dynamic |
310 | |
Cor(N)Basic |
Static |
115 | |
Limiting Speed |
(Grease) |
*1000rpm |
60 |
(Oil) |
67 | ||
(Reference) |
(Open) |
MR74 | |
(Shield) |
MR74ZZ |
Inside diameter |
(d) |
4 | |
outside diameter |
(D) |
8 | |
height |
(Open) |
(B) |
2 |
(Shield) |
(B1) |
3 | |
Chamfer (r) |
(Open) |
0.15 | |
(Shield) |
0.1 | ||
Cr(N)Basic |
Dynamic |
395 | |
Cor(N)Basic |
Static |
139 | |
Limiting Speed |
(Grease) |
*1000rpm |
56 |
(Oil) |
67 | ||
(Reference) |
(Open) |
MR84 | |
(Shield) |
MR84ZZ |
Inside diameter |
(d) |
4 | |
outside diameter |
(D) |
10 | |
height |
(Open) |
(B) |
3 |
(Shield) |
(B1) |
4 | |
Chamfer (r) |
(Open) |
0.2 | |
(Shield) |
0.15 | ||
Cr(N)Basic |
Dynamic |
585 | |
Cor(N)Basic |
Static |
204 | |
Limiting Speed |
(Grease) |
*1000rpm |
48 |
(Oil) |
56 | ||
(Reference) |
(Open) |
MR104 | |
(Shield) |
MR104ZZ |
Inside diameter |
(d) |
5 | |
outside diameter |
(D) |
8 | |
height |
(Open) |
(B) |
2 |
(Shield) |
(B1) |
2.5 | |
Chamfer (r) |
(Open) |
0.1 | |
(Shield) |
0.1 | ||
Cr(N)Basic |
Dynamic |
310 | |
Cor(N)Basic |
Static |
12 | |
Limiting Speed |
(Grease) |
*1000rpm |
53 |
(Oil) |
63 | ||
(Reference) |
(Open) |
MR85 | |
(Shield) |
MR85ZZ |
Inside diameter |
(d) |
5 | |
outside diameter |
(D) |
9 | |
height |
(Open) |
(B) |
2.5 |
(Shield) |
(B1) |
3 | |
Chamfer (r) |
(Open) |
0.15 | |
(Shield) |
0.15 | ||
Cr(N)Basic |
Dynamic |
430 | |
Cor(N)Basic |
Static |
168 | |
Limiting Speed |
(Grease) |
*1000rpm |
50 |
(Oil) |
60 | ||
(Reference) |
(Open) |
MR95 | |
(Shield) |
MR95ZZ |
Yuyao Kangtian Bearing Co., Ltd., founded in 1993, is a professional OEM/ODM Deep Groove Ball Bearing MR Series Suppliers and Deep Groove Ball Bearing MR Series Company, one of the earliest professional producers of bearings in the Ningbo area, we also undertake all kinds of high-precision machining parts, and processing according to the drawing or sample. The company has been awarded the National Level Three Quality and Safety Standardization Enterprise, Ningbo environmental protection model green enterprise, registered trademarks of "TTBC" and "Hemudu, HMD" (which has been identified as Ningbo's famous brand).
The company relies on many years of professional manufacturing experience and technical foundation, and has passed ISO9001 and ISO14001 mode for product quality control and management, especially in the automobile and motorcycle bearing manufacturing, non-standard bearing as well as CNC machining parts design and development and other aspects of quality advantages. We specialize in Wholesale Deep Groove Ball Bearing MR Series sales, Products are currently exported to more than 20 countries and regions around the world. At the same time, we have long been supporting and producing all kinds of bearings and the machining parts for many world-renowned companies, and have maintained a good cooperative relationship for many years.
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