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Enduro Bearings

Enduro Bearings DR21531 LLB - ABEC 3 - Double Row Ball Bearing - 21.5x31x12mm

Enduro Bearings DR21531 LLB - ABEC 3 - Double Row Ball Bearing - 21.5x31x12mm

ABEC 3 radial double row bearing with 21.5 mm inner diameter, 31 mm outer diameter, 12 mm thickness and double-lip type sealing with light contact, making a labyrinth seal.

ABEC 3 bearings use grade 10 Chromium Steel Balls and 52100 High Carbon Chromium Alloy Races.
The high precision balls are within 10/1.000.000″ round, twice as round as the industry standard, at it's highest level.
The alloy races are made from a 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 riveted Steel Retainer stands for toughness, ABEC-3 tolerances and noise tested, C-3 or C-N Internal Clearance.
Manufacturer item code: DR 21531 LLB
Weight supplement: manufacturer spec

Fact Sheet of Enduro Bearings DR21531 LLB - ABEC 3 - Double Row Ball Bearing - 21.5x31x12mm

Product Name: Enduro Bearings DR21531 LLB - ABEC 3 - Double Row Ball Bearing - 21.5x31x12mm
Manufacturer: Enduro Bearings
Item Code: ENO279132
activity: Cycling
Bearings type: Radial Bearing, Ball Bearing, Double Row Ball Bearing
bearings inner Ø: 21.5 mm
Bearings outer Ø: 31 mm
Bearings width: 12mm
bearings seal: LLB - dual lip rubber light contact seal
bearings static load: 3758.8N
weight: 25g
Manufacturer page: http://endurobearings.com/