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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FreeRun is a specialized manufacturer of Rc helicopter Bearing and Rc Helicopter kits.
Freeun Bearing Company have been an industry leader in RC Helicopter bearing since 2005. Reducing rolling resistance and conserving energy has been our hallmark. We offer a full line of standard & ceramic hybrid bearings specifically designed for today's demanding RC Helicopters. To make things easier for you we have compiled bearing kits and listed them according to the RC Heli manufacturer and model. Just send us inquiry if you knew the heli manufacturer and heli model.
We also supply ceramic balls,stainless ball,thrust bearing,screws and needle bearings for Rc helicopters.
Applications:Rc helicopter, Wheel, inline skate, roller hockey, cnc routers, skateboard, rollerblades, fishing reels, slotcars, atv, quad skate, dental handpiece, bicycles, rc cars and trucks, model engines, yoyos, go karts, motorcycles, snowmobiles and jewelry spining rings.
The same size can be made of different materials, including:
Stainless Steel Bearings
Chrome Steel Bearings
Carbon Steel Bearings
Ceramic Bearings
SIZES:
| ZZ Bearings---Metric Series | ||
| Dimensions | unflanged | flanged |
| Chrome Steel | Chrome Steel | |
| 1.5x4x2mm | 681XZZ | F681XZZ |
| 1.5x5x2.6mm | 691XZZ | F691XZZ |
| 1.5x6x3mm | 601XZZ | F601XZZ |
| 2x5x2.3mm | 682ZZ | F682ZZ |
| 2x5x2.5mm | MR52ZZ | MF52ZZ |
| 2X6X2.5mm | MR62ZZ | MF62ZZ |
| 2x6x3mm | 692ZZ | F692ZZ |
| 2x7x3.5mm | 602ZZ | F602ZZ |
| 2.5x6x2.6mm | 682XZZ | F682XZZ |
| 2.5x7x3.5mm | 692XZZ | F692XZZ |
| 2.5x8x4mm | 602XZZ | F602XZZ |
| 3x6x2.5mm | MR63ZZ | MF63ZZ |
| 3x7x3mm | 683ZZ | F683ZZ |
| 3x8x3 mm | MR83ZZ | MF83ZZ |
| 3x8x4mm | 693ZZ | F693ZZ |
| 3x9x4mm | MR93ZZ | MF93ZZ |
| 3X9X5 mm | 603ZZ | F603ZZ |
| 3X10X4mm | 623ZZ | F623ZZ |
| 4x7x2.5mm | MR74ZZ | MF74ZZ |
| 4x8x3mm | MR84ZZ | MF84ZZ |
| 4x9x4mm | 684ZZ | F684ZZ |
| 4x10x4mm | MR104ZZ | MF104ZZ |
| 4x11x4mm | 694ZZ | F694ZZ |
| 4x12x4mm | 604ZZ | F604ZZ |
| 4X13X5 mm | 624ZZ | F624ZZ |
| 4X16X5 mm | 634ZZ | F634ZZ |
| 5x8x2.5mm | MR85ZZ | MF85ZZ |
| 5x9x3mm | MR95ZZ | MF95ZZ |
| 5x10x4mm | MR105ZZ | MF105ZZ |
| 5x11x4mm | MR115ZZ | MF115ZZ |
| 5X11X5mm | 685ZZ | F685ZZ |
| 5X12X4mm | MR125ZZ | MF125ZZ |
| 5x13x4mm | 695ZZ | F695ZZ |
| 5X14X5 mm | 605ZZ | F605ZZ |
| 5X16X5mm | 625ZZ | F625ZZ |
| 5X19X6mm | 635ZZ | F635ZZ |
| 6x10x3mm | MR106ZZ | MF106ZZ |
| 6x12x4mm | MR126ZZ | MF126ZZ |
| 6x13x5mm | 686ZZ | F686ZZ |
| 6x15x5mm | 696ZZ | F696ZZ |
| 6X17X6 mm | 606ZZ | F606ZZ |
| 6X19X6 mm | 626ZZ | F626ZZ |
| 6X22X7 mm | 636ZZ | F636ZZ |
| 7x11x3mm | MR117ZZ | MF117ZZ |
| 7x13x4mm | MR137ZZ | MF137ZZ |
| 7x14x5mm | 687ZZ | F687ZZ |
| 7x17x5mm | 697ZZ | F697ZZ |
| 7X19X6 mm | 607ZZ | F607ZZ |
| 7x22x7 mm | 627ZZ | F627ZZ |
| 8x12x3.5mm | MR128ZZ | MF128ZZ |
| 8x14x4mm | MR148ZZ | MF148ZZ |
| 8X16X5 mm | 688ZZ | F688ZZ |
| 8x19x6mm | 698ZZ | F698ZZ |
| 8x22x7mm | 608ZZ | F608ZZ |
| 8x24x8mm | 628ZZ | F628ZZ |
| 8x28x9mm | 638ZZ | F638ZZ |
| 9x14x4.5mm | 679ZZ | F679ZZ |
| 9x17x5mm | 689ZZ | F689ZZ |
| 9x20x6mm | 699ZZ | F699ZZ |
| 9x24x7mm | 609ZZ | F609ZZ |
| 9x26x8mm | 629ZZ | F629ZZ |
| 9x30x10mm | 639ZZ | F639ZZ |
| 10x15x4mm | 6700ZZ | F6700ZZ |
| 10x19x5mm | 6800ZZ | F6800ZZ |
| 10X19X7mm | 63800ZZ | F63800ZZ |
| 10x22x6mm | 6900ZZ | F6900ZZ |
| 10X26X8 mm | 6000ZZ | F6000ZZ |
| 10X30X9 mm | 6200ZZ | F6200ZZ |
| 10X35X11mm | 6300ZZ | F6300ZZ |
| 12x18x4mm | 6701ZZ | F6701ZZ |
| 12x21x5mm | 6801ZZ | F6801ZZ |
| 12x24x6mm | 6901ZZ | F6901ZZ |
| 12x28x8mm | 6001ZZ | F6001ZZ |
| 12x32x10mm | 6201ZZ | F6201ZZ |
| 12x24x6mm | 6301ZZ | F6301ZZ |
| 13X19X4mm | MR1319ZZ | MF1319ZZ |
| 13X20X4mm | MR1320ZZ | MF1320ZZ |
| 15x21x4mm | 6702ZZ | F6702ZZ |
| 15x24x5mm | 6802ZZ | F6802ZZ |
| 15x28x7mm | 6902ZZ | F6902ZZ |
| 15x32x8mm | 16002ZZ | F16002ZZ |
| 15x32x9mm | 6002ZZ | F6002ZZ |
| 15x35x11mm | 6202ZZ | F 6202ZZ |
| 15x42x13 mm | 6302ZZ | F6302ZZ |
| ZZ Bearings--- Inch Series | ||
| Dimensions (inch) | unflanged | flanged |
| Chrome Steel | Chrome Steel | |
| 0.055"x3/16"x7/64" | R1ZZ | FR1ZZ |
| 5/64"x1/4"x9/64" | R1-4ZZ | FR1-4ZZ |
| 3/32"x3/16"x3/32" | R133ZZ | FR133ZZ |
| 3/32"x5/16"x9/64" | R1-5ZZ | FR1-5ZZ |
| 1/8"x1/4"x7/64" | R144ZZ | FR144ZZ |
| 1/8"x5/16"x9/64" | R2-5ZZ | FR2-5/2RS |
| 1/8"x3/8"x9/64" | R2-6ZZ | FR2-6/2RS |
| 1/8"x3/8"x5/32" | R2ZZ | FR2ZZ |
| 1/8"x1/2"x0.1719" | R2AZZ | FR2AZZ |
| 5/32"x5/16"x1/8" | R155ZZ | FR155ZZ |
| 3/16"x5/16"x1/8" | R156ZZ | FR156ZZ |
| 3/16"x3/8"x1/8" | R166ZZ | FR166ZZ |
| 3/16"x1/2"x0.196" | R3ZZ | FR3ZZ |
| 3/16"x5/8"x0.196" | R3AZZ | FR3AZZ |
| 3/16"x11/16"x1/4" | 1601ZZ | F1601ZZ |
| 1/4"x3/8"x1/8" | R168ZZ | FR168ZZ |
| 1/4"x1/2"x3/16" | R188ZZ | FR188ZZ |
| 1/4"x5/8"x0.196" | R4ZZ | FR4ZZ |
| 1/4"x11/16"x1/4" | 1602ZZ | F1602ZZ |
| 1/4"x3/4"x9/32" | R4AZZ | FR4AZZ |
| 5/16"x1/2"x5/32" | R1810ZZ | FR1810ZZ |
| 5/16"x7/8"x9/32" | 1603ZZ | F1603ZZ |
| 5/16"x0.9062"x5/16" | 1605ZZ | F1605ZZ |
| 5/16"x5/8"x5/32" | R1810AZZ | FR1810AZZ |
| 3/8"x5/8"x5/32" | R1038ZZ | FR1038ZZ |
| 3/8"x3/4"x0.196" | R1238ZZ | FR1238ZZ |
| 3/8"x7/8"x9/32" | R6ZZ | FR6ZZ |
| 3/8"x7/8"x9/32" | 1604ZZ | F1604ZZ |
| 3/8"x0.9062"x5/16" | 1606ZZ | F1606ZZ |
| 3/8"x1 1/8"x3/8" | 1614ZZ | F1614ZZ |
| 7/16"x0.9062"x5/16" | 1607ZZ | F1607ZZ |
| 1/2"x3/4"x5/32" | R1212ZZ | FR1212ZZ |
| 1/2"x7/8"x1/4" | R1412ZZ | FR1412ZZ |
| 1/2"x1 1/8"x5/16" | R8ZZ | FR8ZZ |
| 1/2"x1 1/8"x3/8" | 1616ZZ | F1616ZZ |
| 9/16"x1 3/8"x7/16" | 1621ZZ | F1621ZZ |
| 5/8"x7/8"x5/32" | R1458ZZ | FR1458ZZ |
| 5/8"x1 3/8"x11/32" | R10ZZ | FR10ZZ |
| 3/4"x1 5/8"x7/16" | R12ZZ | FR12ZZ |
| 7/8"x1 7/8"x1/2" | R14ZZ | FR14ZZ |
| 1"x2"x1/2" | R16ZZ | FR16ZZ |
We also can offer a full bearing kit for RC helicopter manufacturers, such as :
ALIGN HELICOPTER
AUDACITY MODELS
BERGEN MACHINE
BLITZ HELICOPTERS
CENTURY HELICOPTERS
CURTIS YOUNGBLOOD
E-FLITE HELICOPTER
E-SKY HELICOPTER
EVO FLIGHT HELICOPTER
ELYQ HELICOPTER
GAUI HELICOPTER
GAZAUR MARS
GRAND WING HELI
TSH GAUI HELI
HELIMAX
HIROBO HELICOPTER
HOBBY LOBBY
HORIZON HELICOPTER
IKARUS HELICOPTER
QUICK HELI
JR HELICOPTER
TSK HELI
KALT HELI
KYOSHO HELICOPTER
LITE MACHINES
MINIATURE AIRCRAFT
MS COMPOSIT
MSH HELICOPTER
PARROT
RACER HELICOPTER
SCHULTER ROBBE
SYNERGY HELI
THUNDER TIGER HELIS
VARIO HELICOPTERS
WALKERA HELICOPTERS
Pictures of Freerun Rc Helicopter Bearing ,Bearings Kits and Screws:
Metal Shield RC Heli Bearing One Way Bearing Open RC Heli Bearing
Flanged RC Heli Bearing RC Screws Ceramic Ball RC Heli Bearing
RC Helicopter Thrust Bearing RC Heli Bearing Kit Metal Shield RC ceramic Bearing
After-sales service:
We accept 100% goods return or exchange. 1. Freerun error, it is quality problem,Wrong items or it arrived defective or damaged. 2. Customers' error , you order wrong items.
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