Chainsaw
Sprockets

Rim Sprockets
Part
Number |
Oregon
Number |
Description |
Spline |
Pitch |
Teeth |
GBA7L7 |
68210 |
Replacable
Rim |
Standard
7 |
3/8" |
7 |
GBA8L7 |
22273 |
Replacable
Rim |
Standard
7 |
3/8" |
8 |
GBA7S7 |
18720 |
Replacable
Rim |
Small
7 |
3/8" |
7 |
GBB7L7 |
22270 |
Replacable
Rim |
Standard
7 |
.404" |
7 |
GBJ8S7 |
11892 |
Replacable
Rim |
Small
7 |
.325" |
8 |
GBJ7S7 |
11892 |
Replacable
Rim |
Small
7 |
.325" |
7 |
GBJ7M7 |
- |
Replacable
Rim |
Mini
7 |
.325" |
7 |
GBA7M7 |
- |
Replacable
Rim |
Mini
7 |
3/8"
LP |
7 |
GBB8L7 |
13313 |
Replacable
Rim |
Standard
7 |
.404" |
8 |
GBJ9L7 |
- |
Replacable
Rim |
Standard
7 |
.325" |
9 |
GBK9M7 |
- |
Replacable
Rim |
Mini
7 |
1/4" |
9 |


Consumer Spur 3/8
6 tooth
(90 and 91 chains) |

Pro Spur .325
7 tooth |

Pro Spur .325
8 tooth |

Pro Spur 3/8
7 tooth |

Pro Spur 3/8
8 tooth |

Pro Spur .404
7 tooth |
Rim
Spline Type |
Part
No |
Pitch |
Teeth |
Standard
7 Spline |
*68210 |
3/8" |
7 |
*22270 |
.404" |
7 |
22273 |
3/8" |
8 |
13624 |
.325" |
9 |
13313 |
.404" |
8 |
Small
7 Spline |
*11892 |
.325" |
7 |
11891 |
.325" |
8 |
18720 |
3/8" |
7 |
Standard
6 Spline |
14031 |
.404" |
8 |
Oregon Power Mate Rim Sprockets
Preferred by most chainsaw
operators. "Floats" on the splined hub, allowing chain and sprocket
to self-align with the bar-groove.
The three most popular sizes are available in a radially ported design,
which uses centrifugal force to throw off saw dust and debris.
*
Indicates Radially Ported Rims
|