Basic Info.
Model NO.
638 638ZZ 638-2RS
Load Direction
Radial Bearing
Precision Rating
ABEC-1,ABEC-3,Aberc-5
Certification
ISO9001:2015,Reach and RoHS
Transport Package
10PC in One Small Plastic Bag, 100 Pieces in Box
Specification
638 638ZZ 638-2RS
Product Description
Runstar high precision 8*28*9mm 638 single row miniaute deep groove ball bearing metric bearings 638ZZ 638-2RS we manufacture metric miniature ball bearing for industries,as well as inch sieries. the material could be chrome steel or stainless steel, bearing with flange is also available for choice.
ITEM | 638zz,638-2rs |
bore diameter(d) | 8 mm |
outside diameter(D) | 28 mm |
Width(B) | 9 mm |
SEAL TYPE | zz or rs |
MATERIAL | Gcr15 or 9Cr18 |
GREASE | |
MEMO | widely used in home appliance |
Metric series of miniature deep goove ball bearingITEM | Shape Dimension | | |
open | shield | d | D | B | B1 | rsmin | Cr(kN) | Cor(kN) |
681 | - | 1 | 3 | 1 | - | 0.05 | 0.0735 | 0.0196 |
MR31 | - | 3 | 1.5 | - | 0.05 | 0.074 | 0.02 |
691 | - | 4 | 1.6 | - | 0.1 | 0.1372 | 0.0392 |
MR41X | MR41XZZ | 1.2 | 4 | 1.8 | 2.5 | 0.1 | 0.108 | 0.034 |
681X | 681XZZ | 1.5 | 4 | 1.2 | 2 | 0.05 | 0.1078 | 0.0343 |
691X | 691XZZ | 5 | 2 | 2.6 | 0.15 | 0.1666 | 0.049 |
601X | 601XZZ | 6 | 2.5 | 3 | 0.15 | 0.3332 | 0.098 |
682 | 682ZZ | 2 | 5 | 1.5 | 2.3 | 0.08 | 0.1666 | 0.049 |
MR52 | MR52ZZ | 5 | 2 | 2.5 | 0.1 | 0.167 | 0.049 |
MR62 | MR62ZZ | 6 | 2.5 | 2.5 | 0.15 | 0.333 | 0.098 |
692 | 692ZZ | 6 | 2.3 | 3 | 0.15 | 0.3332 | 0.098 |
MR72 | MR72ZZ | 7 | 2.5 | 3 | 0.15 | 0.382 | 0.127 |
602 | 602ZZ | 7 | 2.8 | 3.5 | 0.15 | 0.3822 | 0.1274 |
682X | 682XZZ | 2.5 | 6 | 1.8 | 2.6 | 0.08 | 0.1862 | 0.0588 |
692X | 692XZZ | 7 | 2.5 | 3.5 | 0.15 | 0.3822 | 0.1274 |
MR82X | - | 8 | 2.5 | - | 0.2 | 0.559 | 0.176 |
602X | 602XZZ | 8 | 2.8 | 4 | 0.15 | 0.5488 | 0.1764 |
MR63 | MR63ZZ | 3 | 6 | 2 | 2.5 | 0.1 | 0.206 | 0.074 |
683 | 683ZZ | 7 | 2 | 3 | 0.1 | 0.3136 | 0.1078 |
MR83 | MR83ZZ | 8 | 2.5 | 3 | 0.15 | 0.392 | 0.137 |
693 | 693ZZ | 8 | 3 | 4 | 0.15 | 0.5586 | 0.1764 |
MR93 | MR93ZZ | 9 | 2.5 | 4 | 0.2 | 0.568 | 0.186 |
603 | 603ZZ | 9 | 3 | 5 | 0.15 | 0.5684 | 0.1862 |
623 | 623ZZ | 10 | 4 | 4 | 0.15 | 0.6272 | 0.2156 |
633 | 633ZZ | 13 | 5 | 5 | 0.2 | 1.3034 | 0.49 |
MR74 | - | 4 | 7 | 2 | - | 0.1 | 0.314 | 0.118 |
MR74 | MR74ZZ | 7 | - | 2.5 | 0.1 | 0.255 | 0.108 |
MR84 | MR84ZZ | 8 | 2 | 3 | 0.15 | 0.392 | 0.137 |
684 | 684ZZ | 9 | 2.5 | 4 | 0.1 | 0.637 | 0.2254 |
MR104 | MR104ZZ | 10 | 3 | 4 | 0.2 | 0.588 | 0.206 |
694 | 694ZZ | 11 | 4 | 4 | 0.15 | 0.9604 | 0.3528 |
604 | 604ZZ | 12 | 4 | 4 | 0.2 | 0.9604 | 0.3528 |
624 | 624ZZ | 13 | 5 | 5 | 0.2 | 1.3034 | 0.49 |
634 | 634ZZ | 16 | 5 | 5 | 0.3 | 1.3426 | 0.5194 |
MR85 | - | 5 | 8 | 2 | - | 0.1 | 0.304 | 0.118 |
- | MR85ZZ | 5 | 8 | - | 2.5 | 0.1 | 0.216 | 0.088 |
MR95 | MR95ZZ | 9 | 2.5 | 3 | 0.15 | 0.431 | 0.167 |
MR105 | MR105ZZ | 10 | 3 | 4 | 0.15 | 0.431 | 0.167 |
MR115 | MR115ZZ | 11 | - | 4 | 0.15 | 0.715 | 0.294 |
685 | 685ZZ | 11 | 3 | 5 | 0.15 | 0.7154 | 0.2842 |
695 | 695ZZ | 13 | 4 | 4 | 0.2 | 1.078 | 0.4312 |
605 | 605ZZ | 14 | 5 | 5 | 0.2 | 1.3328 | 0.5096 |
625 | 625ZZ | 16 | 5 | 5 | 0.3 | 1.7248 | 0.6762 |
635 | 635ZZ | 19 | 6 | 6 | 0.3 | 2.3324 | 0.8918 |
MR106 | MR106ZZ | 6 | 10 | 2.5 | 3 | 0.15 | 0.5 | 0.216 |
MR126 | MR126ZZ | 12 | 3 | 4 | 0.2 | 0.715 | 0.294 |
686 | 686ZZ | 13 | 3.5 | 5 | 0.15 | 1.078 | 0.441 |
696 | 696ZZ | 15 | 5 | 5 | 0.2 | 1.3426 | 0.5194 |
606 | 606ZZ | 17 | 6 | 6 | 0.3 | 2.2638 | 0.8428 |
626 | 626ZZ | 19 | 6 | 6 | 0.3 | 2.3324 | 0.8918 |
636 | 636ZZ | 22 | 7 | 7 | 0.3 | 3.332 | 1.421 |
MR117 | MR117ZZ | 7 | 11 | 2.5 | 3 | 0.15 | 0.451 | 0.206 |
MR137 | MR137ZZ | 13 | 3 | 4 | 0.2 | 0.539 | 0.274 |
687 | 687ZZ | 14 | 3.5 | 5 | 0.15 | 1.176 | 0.5096 |
697 | 697ZZ | 17 | 5 | 5 | 0.3 | 1.6072 | 0.7154 |
607 | 607ZZ | 19 | 6 | 6 | 0.3 | 2.3324 | 0.8918 |
627 | 627ZZ | 22 | 7 | 7 | 0.3 | 3.283 | 1.3818 |
637 | 637ZZ | 26 | 9 | 9 | 0.3 | 4.5668 | 1.9796 |
MR128 | MR128 | 8 | 12 | 2.5 | 3.5 | 0.15 | 0.539 | 0.274 |
MR148 | MR148 | 14 | 3.5 | 4 | 0.2 | 0.813 | 0.382 |
688 | 688ZZ | 16 | 4 | 5 | 0.2 | 1.2544 | 0.588 |
698 | 698ZZ | 19 | 6 | 6 | 0.3 | 2.2344 | 0.9212 |
608 | 608ZZ | 22 | 7 | 7 | 0.3 | 3.2928 | 1.3818 |
628 | 628ZZ | 24 | 8 | 8 | 0.3 | 3.332 | 1.421 |
638 | 638ZZ | 28 | 9 | 9 | 0.3 | 4.5668 | 1.9796 |
689 | 689ZZ | 9 | 17 | 4 | 5 | 0.2 | 1.323 | 0.6664 |
699 | 699ZZ | 20 | 6 | 6 | 0.3 | 2.4696 | 1.078 |
609 | 609ZZ | 24 | 7 | 7 | 0.3 | 3.332 | 1.421 |
629 | 629ZZ | 26 | 8 | 8 | 0.3 | 4.5668 | 1.9796 |
639 | 639ZZ | 30 | 10 | 10 | 0.6 | 4.655 | 2.0776 |
Since 2007, Zhangzhou Runstar Bearings Manufacturing Co., Ltd. is a professional manufacturer of thrust ball bearings and miniature ball bearings. and since 2010, registed Zhangzhou San Xin Min Trading Co., Ltd. for export our all bearings, under with the inner diameter from 2mm to 20mm for metric series and from size 0.0781" to 0.375" for inch series, the material can be selected with chrome steel (Gcr15) or stainless steel (9Cr18) as request, our characteristic products are thrust ball bearings with or without groove, miniature ball bearings, flange bearings and sainless steel bearings, as well as non-standard bearings, varity application in fiel of industries and household electrical appliances, RC hobby, Fingertip gyroscope, fishing real, dental handle and motor etc.
APPLICATION
OUR FACTORY
OUR WORSHOP
ABOUT US
WHY US
PACKING
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CONTACT US
Address:
Room 1012, Yuehua City Plaza, Mid Nanchang Road, Xiangchen District, Zhangzhou City, Fujian Province, Zhangzhou, Fujian, China
Business Type:
Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Industrial Equipment & Components, Light Industry & Daily Use, Manufacturing & Processing Machinery
Management System Certification:
ISO 9001, ISO 9000, GMP
Company Introduction:
Since 2007, Zhangzhou Runstar Bearings Manufacturing Co., Ltd. Is a professional manufacturer of thrust ball bearings and miniature ball bearings. And since 2010, registed Zhangzhou San Xin Min Trading Co., Ltd. For export our all bearings, under with the inner diameter from 2mm to 20mm for metric series and from size 0.0781" to 0.375" for inch series, the material can be selected with chrome steel (Gcr15) or stainless steel (9Cr18) as request, our characteristic products are thrust ball bearings with or without groove, miniature ball bearings, flange bearings and sainless steel bearings, as well as non-standard bearings, varity application in fiel of industries and household electrical appliances, RC hobby, Fingertip gyroscope, fishing real, dental handle and motor etc.