3x8x4 mm 693 bearings are produce with Chrome steel ,we can produce with high precision ,such as ABEC-1,ABEC-3,ABEC-5,ABEC-7 ,and we can provide free sample for test .
3x8x4 mm 693 bearings are produce with Chrome steel ,we can produce with high precision ,such as ABEC-1,ABEC-3,ABEC-5,ABEC-7 ,and we can provide free sample for test .
693 Bearings 3x8x4mm Specification:
| Bearing No. | 693 |
| Sizes(mm) | 3x8x4mm |
| Material | Chrome steel |
| Sealed Type | 2RS rubber seals/ ZZ metal shields/Open |
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We also can produce 693 bearings used for fishing reel,the material are use with AISI440C stainless steel+Si3N4 ceramic balls.
For 693 miniature bearings are also can produce with other material:
1. AISI440C stainless steel
2. AISI304 stainless steel
3. Ceramic
| TYPE | Dimension | |||
| Bore Diameter | Outer Diameter | width for open type | width for shield type (ZZ or RS) | |
| ZZ | d(mm) | D(mm) | b | b1 |
| 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 | 2.5 | 3 | |
| 602zz | 7 | 2.8 | 3.5 | |
| 682Xzz | 2.5 | 6 | 1.8 | 2.6 |
| 692Xzz | 7 | 2.5 | 3.5 | |
| 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 | |
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