Description
The most common use for this bearing is as a direct replacement bearing for Shimano-type external cup BBs and cranksets with 24mm spindles.
WHICH BEARING TO CHOOSE?
MRA 2437 | Abec-5 Angular Contact
When properly installed and adjusted (black seal facing in), Enduro angular contact bearings engage all of the bearing's balls to spread the force over a larger surface area, decreasing friction, minimizing wear and increasing bearing life. This is particularly important in applications like Bottom Bracket, where there are constantly changing lateral loads on the bearings, which is typically primary cause for premature bottom bracket bearing failure.
- Deep groove design races
- Grade 10 balls (high carbon chromium steel)
- Fill with Mobilux NGLU 2 high pressure water proof synthetic grease
- Higher tolerances and higher quality output than ABEC-3
- Static load: 773lbf / 3.44kN
- Weight: 30.99g
SMRA 2437 | Stainless Steel 440C Angular Contact
- Deep groove design stainless steel alloy races
- Grade 10 balls (stainless steel)
- Fill with high pressure water proof grease
- Long life and superior corrosion resistance
- Excellent use in wet conditions
- Two years anti-corrosion warranty
- Static load: 619lbf / 2.75kN
- Weight: 31g
CH MRA 2437 | Ceramic Hybrid Angular Contact
- Deep groove design 52100 High-Carbon chromium alloy races
- Grade 5 balls (Silicon-Nitride Ceramic) increase bearing life
- Fill with high pressure water proof grease
- Static load: 773lbf / 3.44kN
- Weight: 18.9g
CO MR 2437 | Ceramic Zero
- Deep groove design black-oxide treated 52100 high-Carbon Chromium alloy races (extra level of corrosion resistance)
- Grade 5 balls (Silicon-Nitride Ceramic) increase bearing life
- Fill with high pressure water proof grease
- Static load: 773lbf / 3.44kN
- Weight: 18.86g
CXD MR 2437 | XD-15 the ultimate upgrade
The most impressive feature of XD-15 ceramic-hybrid bearings is, unlike other bearings, they only get better with time and use. As the bearings wear-in, the super-hard ceramic balls actually make the XD-15 races even smoother. So, when compared to other ceramic-hybrid bearings on the market that claim speed and power advantages on day one, Enduro XD-15 bearings not only provide the same initial advantages on day one, but will become faster and smoother with time and use, while the other ceramic-hybrid options will only get slower. Enduro is so confident in the performance of their XD-15 Ceramic-Hybrid bearings that they carry a limited lifetime warranty against wear and corrosion.
- Deep groove design corrosion-proof, cryogenically treated nitrogen steel races
- Grade 5 balls (Silicon-Nitride Ceramic) increase bearing life
- Fill with Kluber NBU52 grease that runs smoother with time and highly resistant to being washed out
- Static load: 773lbf / 3.44kN
- Weight: 18.90g
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