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Miniature deep groove ball bearings1.Model:Open,Z,2Z,RS,2RS,RZ,2RZ
2.Quality level:Reach the same level as the Japanese and European bearings
3.Tolerance level:ABEC-1(P0),ABEC-3(P6),ABEC-5(P5),ABEC-7(P4)
4.Noise Level:EMQ V1 Z2, EMO V2,Z3, EMQ V3 Z4,EMQ V4
5.Vibration level:V1,V2,V3,V4
6.Hardness of the bearing:HRC59-63
7.Greese/Oil:Operating temperature range -70~+280°C,as your request
8.
Ball bearings can be calssfied as “open”,”shielded”,”sealed”.
(1) Single-row deep groove ball bearings
They can sustain radial loads mainly and can also sustain some axial load in either direction.The bearings have low friction and very little noise or vibration,These Characteristics make them to be available for situations of high speed,high pricision ,low friction and low noise operations.
(2) Shielded and sealed bearings
Deep groove ball bearings often have shields or seals installed on both sides and are factory-packed with a lubricant.The use of such bearings simplifies the structure of installation.It also eliminates the need for relubrication and,there for,reduces maintenance costs.
There are three types of such closed bearings:shielded bearings,contact sealed bearings,and noncontact sealed boarings .
9.Free samples for testing.
10. Major types of Miniature ball bearing
| TYPES | Inner diameter(mm) | Outter diameter(mm) | Width(mm)open | Width(mm)ZZ RS |
| 681 | 1 | 3 | 1 | - |
| 691 | 4 | 1.6 | - | |
| 681Xzz | 1.5 | 4 | 1.2 | 2 |
| 691Xzz | 5 | 2 | 2.6 | |
| 601Xzz | 6 | 2.5 | 3 | |
| 682zz | 2 | 5 | 1.5 | 2.3 |
| MR52zz | 5 | 2 | 2.5 | |
| 692zz | 6 | 2.3 | 3 | |
| MR62zz | 6 | 2.5 | 2.5 | |
| MR72zz | 7 | 2.8 | 3 | |
| 602zz | 7 | 2.8 | 3.5 | |
| 682Xzz | 2.5 | 6 | 1.8 | 2.6 |
| 692Xzz | 7 | 2.5 | 3.5 | |
| MR82X | 8 | 2.5 | - | |
| 602Xzz | 8 | 2.8 | 4 | |
| MR63zz | 3 | 6 | 2 | 2.5 |
| 683zz | 7 | 2 | 3 | |
| MR83zz | 8 | 2.5 | 3 | |
| 693zz | 8 | 3 | 4 | |
| MR93zz | 9 | 2.5 | 4 | |
| 603zz | 9 | 3 | 5 | |
| 623zz | 10 | 4 | 4 | |
| 633zz | 13 | 5 | 5 | |
| MR74zz | 4 | 7 | 2 | 2.5 |
| MR84zz | 8 | 2 | 3 | |
| 684zz | 9 | 2.5 | 4 | |
| MR104zz | 10 | 3 | 4 | |
| 694zz | 11 | 4 | 4 | |
| 604zz | 12 | 4 | 4 | |
| 624zz | 13 | 5 | 5 | |
| 634zz | 16 | 5 | 5 | |
| MR85zz | 5 | 8 | 2 | 2.5 |
| MR95zz | 9 | 2.5 | 3 | |
| MR105zz | 10 | 3 | 4 | |
| MR115zz | 11 | - | 4 | |
| 685zz | 11 | 3 | 5 | |
| 695zz | 13 | 4 | 4 | |
| 605zz | 14 | 5 | 5 | |
| 625zz | 16 | 5 | 5 | |
| 635zz | 19 | 6 | 6 | |
| MR106zz | 6 | 10 | 2.5 | 3 |
| MR126zz | 12 | 3 | 4 | |
| 686zz | 13 | 3.5 | 5 | |
| 696zz | 15 | 5 | 5 | |
| 606zz | 17 | 6 | 6 | |
| 626zz | 19 | 6 | 6 | |
| 636zz | 22 | 7 | 7 | |
| MR117zz | 7 | 11 | 2.5 | 3 |
| MR137zz | 13 | 3 | 4 | |
| 687zz | 14 | 3.5 | 5 | |
| 697zz | 17 | 5 | 5 | |
| 607zz | 19 | 6 | 6 | |
| 627zz | 22 | 7 | 7 | |
| 637zz | 26 | 9 | 6 | |
| MR128zz | 8 | 12 | 2.5 | 3.5 |
| MR148zz | 14 | 3.5 | 4 | |
| 688zz | 16 | 4 | 5 | |
| 698zz | 19 | 6 | 6 | |
| 608z | 22 | 7 | 7 | |
| 628zz | 24 | 8 | 8 | |
| 638zz | 28 | 9 | 9 | |
| 679zz | 9 | 14 | 3 | 4.5 |
| 689zz | 17 | 4 | 5 | |
| 699zz | 20 | 6 | 6 | |
| 609zz | 24 | 7 | 7 | |
| 629zz | 26 | 8 | 8 | |
| 639zz | 30 | 10 | 10 | |
| 6700zz | 10 | 15 | 4 | 4 |
| 6800zz | 19 | 5 | 5 | |
| 6900zz | 22 | 6 | 6 | |
| 6000zz | 26 | 8 | 8 | |
| 6200zz | 30 | 9 | 9 | |
| 6300zz | 35 | 11 | 11 | |
| 6701zz | 12 | 18 | 4 | 4 |
| 6801zz | 21 | 5 | 5 | |
| 6901zz | 24 | 6 | 6 | |
| 6001zz | 28 | 8 | 8 | |
| 6201zz | 32 | 10 | 10 | |
| 6301zz | 37 | 12 | 12 |
Miniature ball bearing ID:1mm to 12mm