Why Choose Enduro Bearings?
Unlike others, Enduro bearings are not just ‘off the shelf’ Industrial bearings. They are tailored specifically for the demands of cycling.
Every aspect of an Enduro bearing is considered and spec’d to provide superior performance and value for each application. From the material of the races and the ball bearings, the types of seal and even the grease. Each of these has a profound effect of the performance and longevity of a bearing.
What is ABEC?
The ABEC grade of bearings is a set of standards for the manufacturing tolerances of bearings. There are five classes from largest to smallest tolerances: 1, 3, 5, 7, and 9. The higher ABEC classes provide better precision, efficiency and greater speed capabilities, but do not necessarily make the components spin faster. All quality manufacturers around the world manufacture to at least ABEC 1 standard. Enduro’s Minimum Standard is ABEC 3.
What is the meaning of grade?
Bearing balls are manufactured to a specific grade, which defines its geometric tolerances. Grades range from 2000 to 3, where the smaller the number the higher the precision. A grade 20 ball for instance is 20/1,000,000" out of round. Enduro use Grade 10 for ABEC 3, Grade 5 for ABEC 5, and Grade 3 at Zero and XD-15 levels.
At Enduro they utilize several types of grease depending on the projected application of the bearing. They also fill both sides of the bearing for maximum lubrication, unlike industrial bearings which are only single filled.
Kyodo Yushi PS-2: This grease has a protective interface between ceramic balls and metal races and for it’s high speed properties and minimum rolling resistance. Speed and Protection for high precision bearing systems.
CRC Sta-Plex Marine: This grease will not wash out or break down under any extreme conditions including power washing, salt water intrusion from the salted roads, or even dirt getting into the rolling areas. The High Pressure properties of this grease provides a cushion for the sharp blows that suspension pivots will endure. Tough and Tenacious for high impact and extreme conditions.
Mobile HP 222: This grease is another high pressure grease for maximum protection and constant lubrication. This synthetic grease holds up under all conditions and will not break down.
2RS: Literally means the bearing has Two Rubber Seals. There are many types of seals. On most other bearings 2RS means that the seal is made from rubber and has one sealing lip rubbing on any flat part of the inner race. Enduro’s seals are usually either LLU (usually the MAX type bearings) or LLB (better for hubs).
LLU Seals: Two NBR 70 rubber seals with medium/high contact seal, which rides in a matching groove machined into the bearing to make a labyrinth type seal. The outer sealing lip repels dirt and water while the inner sealing lip retains the grease.
LLB Seals: Two NBR 70 rubber seals with low contact seal, which rides in a matching groove machined into the bearing for low drag or friction.
SRS Seals: Two NBR 70 rubber seals with an axial face seal, this seal has a large contact surface area, while running very smoothly and freely. They are easily removable with a snap ring which hold them in place, making them easy to service.
VV Seals: Two NBR 70 rubber seals with non-contact seal, which rides in a matching groove machined into the bearing for no drag or friction.
Enduro Bearing Application Chart
Enduro’s application chart will help you select the appropriate bearing for your needs to ensure maximum performance and longevity.
Bearing Installation and Removal: Bearings should never be installed by pressing on the inner race. Always press on the outer race with a pilot bushing or similar tool, which will only make contact with the metal side of the outer race. A bearing press or similar should be used to exert the force needed to press the bearing into the housing. Care needs to be taken that the bearing is started straight and not at an angle to the housing.
What Size Bearing?
Bearing sizes are easily identifiable by the numbers on the seals. Some popular sizes include 6001, 6002, 6803, 6901, 6902. If the bearing seal has become damaged or the sizing is no longer visible, you can identify you bearing with 3 simple measurements.
Inner Diameter x Outer Diameter x Depth.
12mm x 28mm x 8mm (6001)
15mm x 32mm x 9mm (6002)
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