ProTek RC 5x10x4mm Metal Shielded "Speed" 1/8 Clutch Bearings (10)

[PTK-MR105ZZ]
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This is a pack of ten 5x10x4mm metal shielded "Speed" 1/8 clutch bearings. ProTek R/C "Speed" bearings are high quality steel/chrome 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.

ProTek R/C is an AMain.com brand.

This product was added to our catalog on March 27, 2006.

Merdith Roach
Friday, Aug 9 2013 (about a year ago)
ProTek RC 5x10x4mm Metal Shielded "Speed" 1/8 Clutch Bearings (10)
I agree these are the best $1.00 clutch bearings I've tried by far. The metal shield stays in place unlike most rubber sealed bearings and stay smooth and free over time. I can take these out and clean them with some denatured alcohol and blow them out and re-oil them and keep on using them. I was tired of constantly loosing shields with other brands and throwing them away.
Red Long
Verified Owner
Tuesday, Jan 27 2015 (3 months ago)
ProTek RC 5x10x4mm Metal Shielded "Speed" 1/8 Clutch Bearings (10)
Great bearing for the price seem to hold up just as long as the pricey ones ive bought before
Brett Blum
Verified Owner
Sunday, Apr 13 2014 (about a year ago)
ProTek RC 5x10x4mm Metal Shielded "Speed" 1/8 Clutch Bearings (10)
Great bearings! They hold together much better than a rubber sealed bearings. I have been running these in my clutch and they have held up for off-road so far. Another good protek product.
Anthony Misasi
Verified Owner
Wednesday, May 20 2009 (about 6 years ago)
ProTek RC 5x10x4mm Metal Shielded "Speed" 1/8 Clutch Bearings (10)
Excellent bearings. after a quart of fuel used my CB will free spend for over a min. Thats how smooth these bearings are.

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