18307RS Bearing (5 Pcs) 18307 mm Bicycle Axle 18307-LBLU Drum Ball Bearings 18307 MR18307 for DT Swiss Hubs

Show Some Love

The bicycle is a beautiful thing — art and performance wrapped up in an awesome package.

But they do not roll without the bearings.

You can not steer, roll, or pedal without them.

Can also be used in some computer fans, the entire service life of 3 months.

So show some love, and keep them rolling smoothly by knowing more about your bike from front to back.

If your rotating components are not smooth, have a look inside to see what you can do for better performance.

Structural Parameters

Category Type: Deep Groove Ball Bearings

Bearing Type: Ball

For Load Direction: Radial

Construction: Single Row

Seal Type: Rubber Sealed

Ball Bearing Type: For Bicycle

Dimensions Parameters

Part Number: 18307-2RS

For Shaft Type: Round

For Shaft Diameter: 18mm

ID: 17mm

ID Tolerance: -0.007mm to 0mm

For Housing ID: 30mm

OD: 30mm

OD Tolerance: -0.008mm to 0mm

Width: 7mm

Width Tolerance: -0.12mm to 0mm

Material Parameters

Ring Material: 52100 Chrome steel

Ball Material: Chrome steel

Rubber Material: NBR

Conditions Parameters

Max Speed (Grease) (X1000 RPM): 14

Lubrication: Pre-Lubricated

Lubricant: Grease

Shaft Mount Type: Press Fit

Temperature Range: -20° to 120 ℃

ABEC Rating: ABEC-3

Radial Clearance Trade No.: C0

Radial Clearance: 0.002mm to 0.013mm

Weight (grams): 13.4

After-Sales Service

30 days no reason to return

Free shipping insurance, lost compensation

24-hour customer service, 12 hours reply

Free technical guidance

Inner (d): 18 mm Outer (D): 30 mm Width (B): 7 mm
With low be sanded LBlu seals/equivalent to 2RS LLU/LLB (one side: Orange, other side: Black)
Grease does not need to be added extra.
MR18307 Sealed Cartridge Bearing is designed for some DT Swiss, Bontrager, and Giant applications.
This bearing is a peculiar bearing as it’s only 1mm different to 6903-2rs which has a 17mm ID, instead of this bearing at 18mm ID. Appears on hubs made by DT Swiss.