71001LLB Enduro Bicycle Angular Contact Bearing Abec5 12x28x8mm
Enduro Abec5 Angular Contact Bearing
Also known as:
Angular Conatct Bearings
Enduro produce a line of Angular Contact (A/C) cartridge bearings 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 providing a more stable wheel, and making it easier to adjust disc brakes while still spinning freely.
- LLB - Is a double lip seal making light contact, and also rides in a groove making a labrinth seal (reducing friction for less rolling resistance whilst maintaining a good seal, preventing contaminating particles entering the raceways)
- Red seal indicates preload side - 5-10 lbs of preload required
- Black Seal indicates side to go against frame
- 15 Degree Contact Angle
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-3 precision and noiseless movement.
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.
Graphite/Nylon Ball Retainers
Nylon with graphite retainers are virtually frictionless while providing constant lubrication.
Manufacturer Part Number | = | 7101 LLB |
---|---|---|
Brand | = | ENDURO |
UPC | = | 810191014201 |
Precision Grade | = | ABEC 5 |
Inside Diameter | = | 12mm |
Outside Diameter | = | 28mm |
Width | = | 8mm |
Seals or Shields | = | LLB = This is a Nitrile material rubber with a steel insert. Rather than the standard 2RS type seal, by machining a groove into the inner race where the seal can rotate with better efficiency and less rolling resistance. Rather than one thick seal lip rubbing on a blunt surface, LLB type utilizes two razor thin sealing lips riding in the groove with light contact. The outside lip keeps the water and contaminates out, while the inner seal retains the grease for smooth function and long intervals between servicing. |
Static Capacity (lbs) | = | 620 |
Material | = | 52100 High Carbon Chromium Alloy |
Clearance | = | CN = Standard Internal clearance |
Rows of Balls | = | 1 |
Image | = | Image represents the series, but may not be the exact part |
Alternative Brand | = | In the very unlikely event that we should not have available free stock in the listed brand, then a quality brand will be supplied. |
   Frequently Asked Questions and Answers
Terms & Conditions
UK Freight
Post Royal Mail 48 - 0.1KG - 2.00KG Currently free of charge (UK Orders ONLY over £12.00 GBP) however this may change so please don't assume this will apply to future orders. This can be upgraded to Royal Mail 24 (First Class Post), prices available on checkout like :
Royal Mail Standard 48 : £3.29
First Class Post Signed For : £4.25
RMSD 0.5KG - 10.00KG Guaranteed next day delivery before 1PM (Price from £7.50 To £27.50)
UPS Standard 0.5KG Up- Next day UK mainland delivery, excluding off shore islands or Scottish Highlands (Price from £7.05)
Express Freight
UPS Express Saver 0.5KG Up- Next day AM UK mainland delivery, excluding off shore islands or Scottish Highlands (Price from £10.93 UP)
UPS Express 0.5KG Up- Next before 10:30AM UK mainland delivery, excluding off shore islands or Scottish Highlands (Price from £11.27 Up)
International Freight
UPS Standard Up to 5KG approximately (£18.00 GBP) Available for many European countries. Delivery times vary from 2-3 days up to 5-7 day. Please enquire for specific countries.
UPS Express saver available to all countries that we trade with. Prices vary depending on weight and country Zone. Prices start from (£20.00 GBP)
UPS Express available to all countries that we trade with. Prices vary depending on weight and country Zone. Prices start from (£25.00 GBP)
Exact prices and options will be shown on checkout
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