Active Member
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[China]
Address: No. C Building Runfengyuan Industrial Park, No.5175 Yiyuan Road, Xin'an Street, Baoan District, Shenzhen
Contact name:Sharon
Shenzhen Daiwa Bearing Company Limited |
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MR52ZZ Custom Ball Bearings , High Precision Ball Bearings Size 2*5*2.5mm
Product SHOW: MR52ZZ Size:2*5*2.5mm
Application: toys, fidget spinner
Low friction high speed miniature mr52 zz mr63zz mr 63 small electric toothbrush motor ball bearing
| Bore diameter (d) | Outer diameter (D) | Width (B1) | |||
| 2 | 5 | 2.5 | |||
| Item | Material and Quality Index | Tested As Per | |||
| Inner/Outer Ring | GCR15 | GB/T18254 | |||
| Steel Ball | GCR15 | GB/T308 | |||
| Cage | GCR15 | GB/T710 | |||
| Metal Shield | GCR15 | JB/T10239 | |||
| Rubber seals | NBR | JB/T10239 | |||
| Hardness (HRC) | 60.2~64 | GB/T1255 | |||
| Lubrication | Grease lubrication | GB/T7324 | |||
| Grease | BRD2# | / | |||
| Seal method | Non contact | GB/T7725 | |||
| This product complies to EU RoHS Directive. | |||||
| Notes: 1. The bearings inside shall be keep dustproof; 2. The working temperature shall be no higher than rated operating temperature; 3. The bearings shall be used acid-free environment; 4. The bearings shall be kept in relative humidity under 60%; 5. The bearings shall be handled gently, avoiding falling, knocking or hitting it; 6. The bearings shall be installed evenly. | |||||
MODEL REFERENCE:
| Type | shape dimension | |||||||||
| Bore Diameter | Outer Diameter (D) | Flange outer Diameter | width for open bearing | flanged Width for open bearing | width for shield bearing | flanged Width for open bearing | Radius | |||
| OPEN | ZZ | RS | d | D | Df/Df1 | B | Bf | B1 | Bf1 | mm |
| 682 | 682zz | 682-2RS | 2 | 5 | 6.1 | 1.5 | 0.2 | 2.3 | 0.6 | 0.08 |
| MR52 | MR52zz | MR52-2RS | 5 | 6.2 | 2 | 0.6 | 2.5 | 0.6 | 0.1 | |
| 692 | 692zz | 692-2RS | 6 | 7.5 | 2.3 | 0.6 | 3 | 0.8 | 0.15 | |
| MR62 | MR62zz | MR62-2RS | 6 | 7.2 | 2.5 | 0.6 | 0.15 | |||
| MR72 | MR72zz | MR72-2RS | 7 | 8.2 | 2.5 | 0.6 | 3 | 0.6 | 0.15 | |
| 602 | 602zz | 602-2RS | 7 | 8.5 | 2.8 | 0.7 | 3.5 | 0.9 | 0.15 | |
| 682X | 682Xzz | 682X-2RS | 2.5 | 6 | 7.1 | 1.8 | 0.5 | 2.6 | 0.8 | 0.08 |
| 692X | 692Xzz | 692X-2RS | 7 | 8.5 | 2.5 | 0.7 | 3.5 | 0.9 | 0.15 | |
| MR82X | 8 | 9.2 | 2.5 | 0.6 | 2.5 | 0.2 | ||||
| 602X | 602Xzz | 602X-2RS | 8 | 9.5 | 2.8 | 0.7 | 4 | 0.9 | 0.15 | |
| MR63 | MR63zz | MR63-2RS | 3 | 6 | 7.2 | 2 | 0.6 | 2.5 | 0.6 | 0.1 |
| 683 | 683zz | 683-2RS | 7 | 8.1 | 2 | 0.5 | 3 | 0.8 | 0.1 | |
| MR83 | MR83zz | MR83-2RS | 8 | 9.2 | 2.5 | 0.6 | 0.15 | |||
| 693 | 693zz | 693-2RS | 8 | 9.5 | 3 | 0.7 | 4 | 0.9 | 0.15 | |
| MR93 | MR93zz | MR93-2RS | 9 | 10.2 | 2.5 | 0.6 | 4 | 0.8 | 0.2 | |
| 603 | 603zz | 603-2RS | 9 | 10.5 | 3 | 0.7 | 5 | 1 | 0.15 | |
| 623 | 623zz | 623-2RS | 10 | 11.5 | 4 | 1 | 4 | 1 | 0.15 | |
| MR74 | MR74zz | MR74-2RS | 4 | 7 | 8.2 | 2 | 0.6 | 2.5 | 0.6 | 0.1 |
| MR84 | MR84zz | MR84-2RS | 8 | 9.2 | 2 | 0.6 | 3 | 0.6 | 0.15 | |
| 684 | 684zz | 684-2RS | 9 | 10.3 | 2.5 | 0.6 | 4 | 1 | 0.1 | |
| MR104 | MR104zz | MR104-2RS | 10 | 11.2 | 3 | 0.6 | 4 | 0.8 | 0.2 | |
| 694 | 694zz | 694-2RS | 11 | 12.5 | 4 | 1 | 4 | 1 | 0.15 | |
| 604 | 604zz | 604-2RS | 12 | 13.5 | 4 | 1 | 4 | 1 | 0.2 | |
| 624 | 624zz | 624-2RS | 13 | 15 | 5 | 1 | 5 | 1 | 0.2 | |
| 634 | 634zz | 634-2RS | 16 | 18 | 5 | 1 | 5 | 1 | 0.3 | |
| MR85 | MR85zz | MR85-2RS | 5 | 8 | 9.2 | 2 | 0.6 | 2.5 | 0.6 | 0.1 |
| MR95 | MR95zz | MR95-2RS | 9 | 10.2 | 2.5 | 0.6 | 3 | 0.6 | 0.15 | |
| MR105 | MR105zz | MR105-2RS | 10 | 11.2 | 3 | 0.6 | 4 | 0.8 | 0.15 | |
| MR115 | MR115zz | MR115-2RS | 11 | 12.6 | - | 0.15 | ||||
| 685 | 685zz | 685-2RS | 11 | 12.5 | 3 | 0.8 | 5 | 1 | 0.15 | |
| 695 | 695zz | 695-2RS | 13 | 15 | 4 | 1 | 4 | 1 | 0.2 | |
| 605 | 605zz | 605-2RS | 14 | 16 | 5 | 1 | 5 | 1 | 0.2 | |
| 625 | 625zz | 625-2RS | 16 | 18 | 5 | 1 | 5 | 1 | 0.3 | |
| 635 | 635zz | 635-2RS | 19 | 22 | 6 | 1.5 | 6 | 1.5 | 0.3 | |
| MR106 | MR106zz | MR106-2RS | 6 | 10 | 11.2 | 2.5 | 0.6 | 3 | 0.6 | 0.15 |
| MR126 | MR126zz | MR126-2RS | 12 | 13.2 | 3 | 0.6 | 4 | 0.8 | 0.2 | |
| 686 | 686zz | 686-2RS | 13 | 15 | 3.5 | 1 | 5 | 1.1 | 0.15 | |
| 696 | 696zz | 696-2RS | 15 | 17 | 5 | 1.2 | 5 | 1.2 | 0.2 | |
| 606 | 606zz | 606-2RS | 17 | 19 | 6 | 1.2 | 6 | 1.2 | 0.3 | |
| 626 | 626zz | 626-2RS | 19 | 22 | 6 | 1.5 | 6 | 1.5 | 0.3 | |
| MR117 | MR117zz | MR117-2RS | 7 | 11 | 12.2 | 2.5 | 0.6 | 3 | 0.6 | 0.15 |
| MR137 | MR137zz | MR137-2RS | 13 | 14.2 | 3 | 0.6 | 4 | 0.8 | 0.2 | |
| 687 | 687zz | 687-2RS | 14 | 16 | 3.5 | 1 | 5 | 1.1 | 0.15 | |
| 697 | 697zz | 697-2RS | 17 | 19 | 5 | 1.2 | 5 | 1.2 | 0.3 | |
| 607 | 607zz | 607-2RS | 19 | 22 | 6 | 1.5 | 6 | 1.5 | 0.3 | |
| 627 | 627zz | 627-2RS | 22 | 25 | 7 | 1.5 | 7 | 1.5 | 0.3 | |
| MR128 | MR128zz | MR128-2RS | 8 | 12 | 13.2 | 2.5 | 0.6 | 3.5 | 0.8 | 0.15 |
| MR148 | MR148zz | MR148-2RS | 14 | 15.6 | 3.5 | 0.8 | 4 | 0.8 | 0.2 | |
| 688 | 688zz | 688-2RS | 16 | 18 | 4 | 1 | 5 | 1.1 | 0.2 | |
| 698 | 698zz | 698-2RS | 19 | 22 | 6 | 1.5 | 6 | 1.5 | 0.3 | |
| 608z | 608z | 608z | 22 | 25 | 7 | 1.5 | 7 | 1.5 | 0.3 | |
| 679 | 679zz | 679-2RS | 14 | 3 | 0.3 | |||||
| 689 | 689zz | 689-2RS | 9 | 17 | 19 | 4 | 1 | 5 | 1.1 | 0.2 |
| 699 | 699zz | 699-2RS | 20 | 23 | 6 | 1.5 | 6 | 1.5 | 0.3 | |
| 609 | 609zz | 609-2RS | 24 | 27 | 7 | 1.5 | 7 | 1.5 | 0.3 | |
| 6700 | 6700zz | 6700-2RS | 15 | 16.5 | 3 | 0.8 | 4 | 0.3 | 0.15 | |
| 6800 | 6800zz | 6800-2RS | 19 | 21 | 1 | 5 | 0.3 | |||
| 63800 | 63800zz | 63800-2RS | 19 | 21 | 1.5 | 7 | 0.3 | |||
| 6900 | 6900zz | 6900-2RS | 22 | 25 | 1.5 | 6 | 0.3 | |||
Shenzhen Daiwa Bearing Co.,ltd only focus on high precision deep groove ball bearing production and design with our own advanced machines.
We are professional mininature bearing manufacturer, the company headquartered in Shenzhen and production research and developmentbase is located in Shanghai. Our product are wildly used in variety kinds of micro motors, cooling fans, instruments, printers, home appliances, medical equipments etc. Quality oriented, customer first has been the operating service purpose these years. We are sincerely looking forward to the successful cooperation with you.
About Precision Rating:
Exhibition show:
The 16th Shenzhen (CHINA) International Small Motor And Electrical Industry,Magnetic Materials Exhibition, 2018
Hannover Messe from 1~5th Apr., 2019
The 17th Shenzhen(China) International small motor,Electric Machinery&Magnetic Materials Exhibition
From 8~10th May
We are here booth No.:2T01, Hall 2, The 4th Shenzhen International UAV EXPO 2019
If you have other questions, please feel free to contact us as below.
