71806-LLB ABEC5 Enduro Angular Contact Bike Bearing 30x42x7

71806-LLB ABEC5 Enduro Angular Contact Bike Bearing 30x42x7
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Brand:  Enduro
Measurement Unit:  Metric
Inside Diameter:  30.00mm
Outside Diameter:  42.00mm
Width:  7.00mm
Seals or Shields:  Rubber Seals
Clearance:  Standard

Availability:  

In stock  

Our Price:  £13.95(Exc. 20% VAT)(£16.74 Inc. VAT)
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  (3 Reviews)

Enduro


71806-LLB ABEC5 Enduro Angular Contact Bike Bearing 30x42x7

Angular Contact (A/C) cartridge bearings are specifically designed for hubs. In standard radial bearings, only 3 or 4 balls make contact during the load, at any given time. In Angular Contact (A/C) bearings, ALL balls are engaged and spread the force over a larger surface area, to decrease friction, and minimize wear. Wheel play can be adjusted out of the hub, to giving a more stable wheel, making it easier to adjust disc brakes, while still spinning freely.

Enduro ABEC-5 Specification:

Grade 5 Chromium Steel Balls
High precision balls are within 5/1,000,000″ round. These are military level specification, used for precision equipment. R-64 hardness, of the highest grade.

52100 High Carbon Chromium Alloy Races
Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-5 precision and noiseless movement.

Graphite/Nylon Ball Retainers
Nylon with graphite retainers are virtually frictionless while providing constant lubrication.

The ABEC-5 Standard
To meet the ABEC-5 standard, bearing design must pass all tests, which include noise testing at high RPM, extremely close tolerances for I.D. and O.D., roundness of ball, trueness of the races and micro surface finishes of balls and races.

Average Rating (3 Reviews):  
Write a Review and share your opinions!

Rating:  
perfect
Wednesday, 4 May 2016  | 

exactly as described, very quick delivery. Thanks

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Rating:  
Rotor BSA 30 replacement
Monday, 25 April 2016  | 

Recently replaced bearings with these. Helpfull phone conversation & arrived within 24 hrs! Have fitted & used hard. Also used loctite 641.
Spins freely & silently. Very happy customer.

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Rating:  
Service
Wednesday, 20 April 2016  | 

Wii be using again A++

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