Model Engine Company of America
 
ENGINE BEARINGS
 

Its easy to order replacement bearings for your engine.

 
NOTE:

All rear bearings are open.
Most front bearings have one seal or shield facing forward. Some are open.
Some 4-strokes have two seals or shields on front bearing.

Inch -- Series
ID x OD x W
Type
MECOA/K&B
Part No.
.250 x .625 x .196
Standard
open
1-shield
1-seal
2-seals
918-R4
918-R4Z
18-0012
918-R4RR
Racing
open
18-8776
.375 x .875 x .219
Standard
open
18-0015
Racing
18-8778
.375 x .875 x .281
Standard
open
1-shield
1-seal
2-seals
918-R6
918-R6Z
18-0002
918-R6RR
.500 x 1.125 x .250
Standard
open
918-R8
Racing
18-8779
.625 x 1.375 x .281
Standard
open
18-0024
METRIC
ID x OD x W
Type
MECOA/K&B
Part No.
7 x 14 x 3.5
.275 x .551 x .138
Standard
open
18-0007
7 x 19 x 6
.275 x .748 x .236
Standard
open
1-seal
2-seals
918-607
18-0018
918-607RR
8 x 22 x 7
.315 x .866 x .276
Standard
open
1-seal
2-seals

-
18-0010
18-0021

9 x 17 x 4
.354 x .669 x .157
Standard
open
18-0013
9 x 17 x 5
.354 x .669 x .157
Standard
1-shield
18-M1502
9 x 20 x 6
.354 x .787 x .236
Standard
1-shield
918-699Z
9 x 24 x 7
.354 x .944 x .276
Standard
open
18-0019
11 x 22 x 5
.433 x .866 x .197
Standard
open
18-0005
12 x 24 x 6
.472 x .944 x .236
Standard
open
18-0011
Racing
18-8775
12 x 28 x 8
.472 x 1.102 x .315
Standard
open
18-0014
13 x 24 x 6
.512 x .945 x ..236
Racing
open
18-8789
15 x 28 x 7
.590 x 1.102 x .276
Standard
open
18-0016
Racing
18-8777
15 x 32 x 8
.590 x 1.260 x .315
Standard
open
18-0009
15 x 32 x 9
.590 x 1.260 x .354
Standard
open
Racing
18-8774
17 x 30 x 7
.669 x 1.181 x .276
Standard
open
18-0017
Racing
18-8781
17 x 35 x 8
.669 x 1.378 x .315
Standard
open
918-16003
SPECIAL SERIES
ID x OD x W
Type
MECOA/K&B
Part No.
15mm x 1.250 inch x .250 inch
Special Size
Racing
open
18-8780

 

 
1-29-2019

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No part may be reproduced without written permission from
MECOA -- P.O. Box 5 -- Sierra Madre, CA 91025 U.S.A.