Enduro Bearings Deep Groove/Angular Contact Bearings MR/MRA 2437 24 mm x 37 mm x 7 mm

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Enduro Bearings Deep Groove/Angular Contact Bearings MR/MRA 2437 24 mm x 37 mm x 7 mm - universal/type 3
Enduro Bearings Deep Groove/Angular Contact Bearings MR/MRA 2437 24 mm x 37 mm x 7 mm - universal/type 2
Enduro Bearings Deep Groove/Angular Contact Bearings MR/MRA 2437 24 mm x 37 mm x 7 mm - universal/type 1
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Thoroughly made for high precision: the MR 2437 bearings by Enduro Bearings


Choose between ABEC 3 deep groove ball bearings (type 1), ABEC 5 deep groove ball bearings (type 2) and angular contact bearings (type 3).

ABEC 3 bearings by Enduro Bearings come with high precision balls that are within 10/1,000,000" round, twice as round as the industry standard, at its highest level. 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.

ABEC 5 bearings by Enduro Bearings come with high precision balls that are within 5/1,000,000" round. These are military level specification, used for precision equipment. R-64 hardness, of the highest grade. Vacuum de-gassing process for the purest chromium alloy steel, hardened to R62, extremely tough and very durable. Nylon with graphite retainers are virtually frictionless while providing constant lubrication with Rheolube 374A grease.

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. These bearings are engineered with a nylon retainer which diminishes rolling resistance and dual lip seals ensuring longer bearing life.

Specifications:


Dimensions (Inner x Outer x Width): 24 mm x 37 mm x 7 mm
Designation: MR(A) 2437

Models:


Type 1:
Design: deep groove ball bearing
Tolerance: ABEC 3
Recommended Use: hubs, bottom brackets, headsets
Inner Race Material: steel (52100)
Outer Race Material: steel (52100)
Ball Material: steel
Seal: LLB
Static Capacity: 3.2 kN (726 lbs)
Manufacturer Part Number: MR2437LLB

Type 2:
Design: deep groove ball bearing
Tolerance: ABEC 5
Recommended Use: hubs
Inner Race Material: steel (52100)
Outer Race Material: steel (52100)
Ball Material: steel
Seal: SRS
Static Capacity: 3.2 kN (726 lbs)
Manufacturer Part Number: MR2437SRSA5

Type 3:
Design: angular contact bearing
Tolerance: ABEC 5
Recommended Use: hubs
Inner Race Material: steel (52100)
Outer Race Material: steel (52100)
Ball Material: steel
Seal: LLB
Static Capacity: 3.2 kN (726 lbs)
Manufacturer Part Number: MRA2437LLB

Features:


Type 1:
- ABEC 3 bearing with riveted steel retainer for toughness
- grade 10 chromium steel balls = 10/1,000,000" tolerance of sphericity
- 52100 high carbon chromium alloy races with heat treatment followed by cryogenic treatment (310° Fahrenheit (-190° C)), hardened to at least Rockwell HRC 62, polished
- LLB: most popular seal type, Nitrile material rubber with a steel insert; groove in the inner race where the seal can rotate (labyrinth seal), two razor thin sealing lips: the outside lip keeps the water and contaminates out, while the inner seal retains the grease
- ranked ABEC 3 by Annular Bearing Engineer's Committee for manufacturing tolerances and noise testing

Type 2:
- ranked ABEC 5 by Annular Bearing Engineer's Committee for manufacturing tolerances and noise testing
- grade 5 chromium steel balls = 5/1,000,000" tolerance of sphericity
- 52100 high carbon chromium alloy races with heat treatment followed by cryogenic treatment (310° Fahrenheit (-190° C)), hardened to at least Rockwell HRC 62, polished to a mirror finish for precision and noiseless movement
- nylon with graphite retainer, both sides filled with grease
- SRS: seal with a snap ring that can be removed with no danger for quick and easy servicing, single sealing lip makes contact on a step machined into the inner race, extremely low rolling resistance and speed, while being an effective barrier against dirt and water
- C3 internal clearance

Type 3:
- balls that roll on 15 degrees angular contact
- ranked ABEC 5 by Annular Bearing Engineer's Committee for manufacturing tolerances and noise testing
- grade 5 chromium steel balls = 5/1,000,000" tolerance of sphericity
- 52100 high carbon chromium alloy races with heat treatment followed by triple cryogenic treatment (310° Fahrenheit (-190° C)), hardened to at least Rockwell HRC 62, polished to a mirror finish for precision and noiseless movement
- LLB: most popular seal type, Nitrile material rubber with a steel insert; groove in the inner race where the seal can rotate (labyrinth seal), two razor thin sealing lips: the outside lip keeps the water and contaminates out, while the inner seal retains the grease
- filled 90 % with high pressure water proof grease
- load side on red seal side; 5-10 lbs preload required

Contents:


- 1 x Enduro Bearings MR 2437 or MRA 2437 24 mm x 37 mm x 7 mm ball bearing

Gewicht:

  • universal/type 1: 31 g
  • universal/type 2: 31 g
  • universal/type 3: 31 g

Models:

in stock 2 to 7 days up to 10 days up to 20 days inform me
  • universal/type 1
    5.00€
  • universal/type 2
    8.36€
  • universal/type 3
    9.20€

Customer Reviews (1)

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Customer Reviews (1)

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by pavel v.  on 05.05.2018
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type 3: do not forget that it is mounted in red on the outside; combines the benefits of Shimano cones with industrial bearings

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