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AKA Racing "EVO" Pin Stripe 2.2 Front 2WD Buggy Tires (Clay) (2)
AKA Racing "EVO" Pin Stripe 2.2 Front 2WD Buggy Tires (Clay) (2)
$16.99
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ProTek R/C Ceramic 5x10x4mm Metal Shielded "Speed" 1/8 Clutch Bearings (2)
[PTK-MR105ZZ-C]

    Low Price: $9.99
ProTek R/C Ceramic 5x10x4mm Metal Shielded "Speed" 1/8 Clutch Bearings (2)
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This is a pack of two ceramic 5x10x4mm metal shielded "Speed" 1/8 clutch bearings. ProTek R/C "Speed" bearings are high performance ceramic bearings designed for the R/C racing enthusiast.

These 5x10x4mm metal shielded bearings are the standard bearing for the 1/8th scale nitro clutches. Please check the manual that came with your vehicle for the correct size if you are not certain.

These are also used as wheel bearings in the Kyosho Lazer ZX-5 1/10th scale 4WD electric buggy.

Why Ceramic?
Our ProTek Ceramic Bearings are a hybrid type, featuring Chrome Steel inner and outer races, with Si3N4 silicone nitride ceramic balls. Ceramic bearings have many advantages over standard steel bearings, such as decreased weight, higher RPM capabilities, increased corrosion and wear resistance,  as well as reduced friction and vibration.  

So next time you purchase bearings, when you ask yourself "Why should I buy Ceramic?" You should be asking yourself "Why shouldn't I?"

Advantages of Ceramic:
  • High Speed: Hybrid bearings can reach a resistance level of 1,200,000dN with grease lubrication, due to reduced slip, wear extent and heat productivity.
  • Lightweight: The weight of ceramics is 60% lighter than steel, which decreases the centrifugal force and the overall bearing weight.
  • Long Service Life: The service life of hybrid bearings is 3 to 5 times longer than that of steel bearings in comparable working conditions.
  • Self Lubricating: Even when poorly lubricated or with no lubrication, ceramic bearings will continue to function longer than steel bearings under the same level of stress due to their self lubricating properties.
  • Corrosion Resistance: Hybrid bearings have excellent corrosion resistance, and will continue to function while corroded.
  • High Rigidity: The elastic ration of ceramics is 1.5 times greater than that of bearing steel, this dramatically increases the rigidity of the bearing.
  • Low Friction: Ceramic materials have a low friction force. Even under the conditions of boundary lubrication, the surfaces are extremely smooth, so its friction force is low and the rotational friction moment is low.
  • Wear Resistant: The micro-hardness of ceramics can reach a Vickers Hardness level of HV1700 kg/mm2, which dramatically increases the wear-resistance.

Note: It is important with ceramic bearings to ensure that the bearings are properly shimmed (do not shim them too tight), and that you keep them lubricated to ensure long life. Ceramic bearings run smoother with less friction than regular bearings, and should last three to four times as long. We highly recommend the use of Tri-Flow teflon based bicycle lubricant for ceramic bearings. Teflon lubricant works the best as the Teflon will impregnate the balls for longer life.

ProTek R/C is an A Main Hobbies brand.



Part Compatibility:
  • Losi 8IGHT 2.0 
  • Losi 8IGHT-T 2.0 
  • Losi TEN-T 
  • Losi 810 
  • Losi XXX-SCT 
  • Losi 22 
  • Losi TEN-SCTE 
  • Losi XXX-SCB 
  • Losi 22SCT 
  • Losi LST 
  • Losi LST2 
  • Losi TEN-SCTE 2.0 
  • Losi 22 2.0 
  • Losi 8IGHT 
  • Losi 8IGHT-T 
  • Hot Bodies Lightning Pro 2 
  • Hot Bodies Lightning Stadium 
  • Hot Bodies TCX 
  • Hot Bodies R10 
  • Hot Bodies TCXX 
  • HPI Racing Savage 
  • Kyosho Ultima RT5 
  • Kyosho Inferno MP777 
  • Kyosho Inferno MP7.5 
  • Kyosho Ultima SC 
  • Kyosho Ultima DB 
  • Kyosho Inferno MP9 TKI2 
  • Kyosho Inferno ST-RR EVO 
  • Kyosho Inferno MP9 TKI3 
  • Kyosho Lazer ZX-5 
  • Kyosho Ultima RB6 
  • Kyosho Inferno ST-R 
  • Kyosho Scorpion XXL 
  • Kyosho V-One R4 
  • Kyosho Ultima RB5 
  • Kyosho Inferno ST-RR 
  • Kyosho Inferno MP9 
  • OFNA Jammin X1-CR 
  • OFNA Jammin X1-CRT 
  • Schumacher Cougar SV 
  • Schumacher Mi1 
  • Schumacher Cougar SV2 
  • Schumacher CAT K1 
  • Schumacher Mi5 
  • Thunder Tiger EB4 S3 
  • Thunder Tiger ST-1 
  • XRAY T4 
  • XRAY XB8 
  • Serpent S811 Cobra 
  • Serpent 966 
  • Serpent S811 Cobra T 
  • Serpent S811 Cobra GT 
  • Serpent 747 
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  • Sportwerks Mayhem 
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  • Mugen Seiki MBX6R 
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  • Mugen Seiki MRX5 WC 
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  • Mugen Seiki MBX5 
  • Mugen Seiki MBX6 
  • S-Workz Racing S350 BK1 
  • S-Workz Racing S350 BE1 
  • S-Workz Racing S350 BX1 
  • Team Magic E6 Trooper 
  • Team Magic G4D Touring (Drift Spec) 
  • Team Magic E4RSII Touring Car 
  • Team Magic G4JR Touring Car 
  • RB Products RB One 
  • RB Products RB One R 
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  • Yokomo B-MAX4 II 
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  • Yokomo B-MAX2 MR 
  • Yokomo Formula 001 
  • Yokomo B-MAX2 MR V2 
  • Yokomo B-MAX4 III 
  • ARC R10 
  • HoBao Hyper 7 TQ 
  • HoBao Hyper SS 
  • Caster Racing S10B 
  • Caster Racing S10B RTR 
  • Vaterra Glamis Uno 
  • Vaterra Twin Hammers 
  • Vaterra V100S 
  • ProTek R/C Ceramic 5x10x4mm Metal Shielded "Speed" 1/8 Clutch Bearings (2)
    Click to enlarge
    This product was added to our catalog on Tuesday, October 24, 2006.
    Reviews   5 of 5 Stars!(2)
    Quantity:  Wish List! Buy Now!
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