Ball Bearing 
Deep Groove Ball Bearing Thrust Ball Bearing Angular Contact Ball Bearing Self-Aligning Ball Bearing Linear Motion Ball Bearing Roller Bearing Cylindrical Roller Bearing Tapered Roller Bearing Spherical Roller Bearing Needle Roller Bearing Roller Thrust Bearing Carrier Roller,Track Roller and Idler Roller Automotive Bearings Clutch Release Bearings Wheel Hub Bearings King Pin Kit Hub Unit Water pump bearings Tensioner & Idler Bearings Automotive Air Conditioner Bearings Steering Wheel Bearings Universal Joint Kit Mast Guide Bearings(Forklift Bearings) Bearing Housing Plain Bearing Block Housing Plummer Block Insert ball bearing units Pressed Steel Housing Bearing Insert Adapter Sleeves and Withdrawal Sleeves Lock Nuts Lock Washer Spherical Plain Bearing & Rod End Radial Spherical Plain Bearings Maintenance-Free Radial Spherical Plain Bearings Angular Contact Spherical Plain Bearings Spherical Plain Thrust Bearings Rod Ends Ball Joint Rod Ends Ceramic & Plastic Bearing Ceramic Bearings Plastic Bearings Self Lubricated Sliding Bearing DU Self-Lubricating Bearing SF-1 FB bronze Self-Lubricating Bushes "DX" Boundary Lubricating Bearing FR PTEE Soft Stripe Bushes FZ Ball Retainer Bearings Bimetal Sliding Bearings FU Sintered Bearing With Oil LZ Slide Units Linear Bearing JDB Solid-lubricant Bearings PTEE Bearing or Bush Slew Bearing Single-row Four Point Contact Ball Slewing Bearing Cross Roller Slewing Bearings Double-Row Ball Slewing Bearings Three-Row Roller Slewing Bearings Special & Non Standard Bearings Special Ball Bearings Special Industrial Bearings 
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Open ball bearings
Freerun Bearing offers a complete line of open miniature bearings(miniature bearings without any shieds) with a variety of retainers and material options to suit any engineering need or high speed need. Bearings are available in chrome, stainless steel with increased resistance to fatigue and corrosion. Bearings are designed without shields to make it runing faster.
Specifications:
| Metric Series | |||
| Bore | Outside | Width | Chrome Steel |
| 1 | 3 | 1 | 681 |
| 4 | 1.6 | 691 | |
| 1.5 | 4 | 1.2 | 681X |
| 5 | 2 | 691X | |
| 6 | 2.5 | 601X | |
| 2 | 4 | 1.2 | 672 |
| 5 | 1.5 | 682 | |
| 5 | 2 | MR52 | |
| 6 | 2 | MR62 | |
| 6 | 2.3 | 692 | |
| 7 | 2.5 | MR72 | |
| 7 | 2.8 | 602 | |
| 2.5 | 6 | 1.8 | 682X |
| 7 | 2.5 | 692X | |
| 8 | 2.5 | MR82X | |
| 8 | 2.8 | 602X | |
| 3 | 6 | 2 | MR63 |
| 7 | 2 | 683 | |
| 8 | 2.5 | MR83 | |
| 8 | 3 | 693 | |
| 9 | 2.5 | MR93 | |
| 9 | 3 | 603 | |
| 10 | 4 | 623 | |
| 13 | 5 | 633 | |
| 4 | 7 | 2 | MR74 |
| 8 | 2 | MR84 | |
| 9 | 2.5 | 684 | |
| 10 | 3 | MR104 | |
| 11 | 4 | 694 | |
| 12 | 4 | 604 | |
| 13 | 5 | 624 | |
| 16 | 5 | 634 | |
| 5 | 8 | 2 | MR85 |
| 9 | 3 | MR95 | |
| 10 | 3 | MR105 | |
| 11 | 3 | 685 | |
| 12 | 4 | MR125 | |
| 13 | 4 | 695 | |
| 14 | 5 | 605 | |
| 16 | 5 | 625 | |
| 19 | 6 | 635 | |
| 6 | 10 | 2.5 | MR106 |
| 12 | 3 | MR126 | |
| 13 | 3.5 | 686 | |
| 15 | 5 | 696 | |
| 17 | 6 | 606 | |
| 19 | 6 | 626 | |
| 22 | 7 | 636 | |
| 7 | 11 | 2.5 | MR117 |
| 13 | 3 | MR137 | |
| 14 | 3.5 | 687 | |
| 17 | 5 | 697 | |
| 19 | 6 | 607 | |
| 22 | 7 | 627 | |
| 26 | 9 | 637 | |
| 8 | 12 | 2.5 | MR128 |
| 14 | 3.5 | MR148 | |
| 16 | 4 | 688 | |
| 19 | 6 | 698 | |
| 22 | 7 | 608 | |
| 24 | 8 | 628 | |
| 28 | 9 | 638 | |
| 9 | 14 | 3 | 679 |
| 17 | 4 | 689 | |
| 20 | 6 | 699 | |
| 24 | 7 | 609 | |
| 26 | 8 | 629 | |
| 30 | 10 | 639 | |
| 10 | 15 | 3 | 6700 |
| 16 | 4 | MR1016 | |
| 19 | 5 | 6800 | |
| 19 | 7 | 63800 | |
| 22 | 6 | 6900 | |
| 26 | 8 | 6000 | |
| 30 | 9 | 6200 | |
| 35 | 11 | 6300 | |
| 12 | 18 | 4 | 6701 |
| 21 | 5 | 6801 | |
| 21 | 7 | 63801 | |
| 24 | 6 | 6901 | |
| 28 | 7 | 16001 | |
| 28 | 8 | 6001 | |
| 32 | 10 | 6201 | |
| 37 | 12 | 6301 | |
| 13 | 19 | 4 | MR1319 |
| 20 | 4 | MR1320 | |
| 15 | 21 | 4 | 6702 |
| 24 | 5 | 6802 | |
| 28 | 7 | 6902 | |
| 32 | 8 | 16002 | |
| 32 | 9 | 6002 | |
| 35 | 11 | 6202 | |
| 42 | 13 | 6302 | |
Also Make Inch Series for Open Bearings. Such as: R133.R1-4,R144,R2-5,R166, R156,R155,R2,R168,R188,R1810,R1038,R1212,FR133,FR1-4,FR144,FR205,FR166,FR156,FR155,FR2,FR168,FR188, R133/C,R144/C,R2-5/C,R156/C,R168/C,R188/C etc.
Chrome Steel, Stainless Steel. Nylon Cage,Flange, Ceramic(Si3N4), Ceramic(ZrO2) will be for your choices.
(Chrome Steel) (Stainless Steel)
(Nylon Cage) (Flange)
Ceramic(Si3N4)
Ceramic(ZrO2)
Beside Open Bearings, Freerun's wide variety of minature bearings,also including shield miniature bearings, 2RS seals miniature bearings, 2TS teflon seals miniature bearings, Thrust ball bearings, Needle bearings.
If you are find any items be of interested to you,please contact us freely.
MOQ(Minimum Order Quantity): 100pcs for each size
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