Gears & Gear Racks

gears & gear racks — pre-owned

3,180listings

Browse 3,180 gears & gear racks — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Used Watts Regulator 25AUB 3/4" Water Pressure Reducing Valve 25-75 PSI Range
USED

Used Watts Regulator 25AUB 3/4" Water Pressure Reducing Valve 25-75 PSI Range

$35.00
CRANK GEAR 23527615 FITS DETROIT DIESEL 60 SERIES
USED

CRANK GEAR 23527615 FITS DETROIT DIESEL 60 SERIES

$175.00
Duff-Norton M-1802-2 Worm Gear Jack 1/4" Shaft  (2)
USED

Duff-Norton M-1802-2 Worm Gear Jack 1/4" Shaft (2)

$179.00
Matching Bronze/Brass Worm Gear and Steel Worm Gear SET 3.5 Inch Axis To Axis
-10%
USED

Matching Bronze/Brass Worm Gear and Steel Worm Gear SET 3.5 Inch Axis To Axis

$260.95
Sumitomo CNF-S-4075Y-43 SM-Cyclo Gear Reducer 43:1 Ratio .15HP 1750RPM
-40%
USED

Sumitomo CNF-S-4075Y-43 SM-Cyclo Gear Reducer 43:1 Ratio .15HP 1750RPM

$65.99
GM Transfer Case Metal Gear Sprocket Splined Hub 19258134
USED

GM Transfer Case Metal Gear Sprocket Splined Hub 19258134

$158.36
ALUMINUM / STAINLESS STEEL TELESCOPE WORM GEAR SET 360 TEETH 360:1 RATIO BLEMISH
USED

ALUMINUM / STAINLESS STEEL TELESCOPE WORM GEAR SET 360 TEETH 360:1 RATIO BLEMISH

$130.00
QTY 1 SET BOSTON GEAR BRONZE WORM GEAR SET 15:1 RATIO 16 PITCH 30 TEETH 2 LEADS
USED

QTY 1 SET BOSTON GEAR BRONZE WORM GEAR SET 15:1 RATIO 16 PITCH 30 TEETH 2 LEADS

$125.00
BOSTON GEAR BRASS G-137 SPUR GEAR 48 PITCH 26 TEETH FOR CLOCK LATHE DARK PATINA
USED

BOSTON GEAR BRASS G-137 SPUR GEAR 48 PITCH 26 TEETH FOR CLOCK LATHE DARK PATINA

$13.00
QTY 1 BROWNING NSS1214 STEEL SPUR GEAR 12 PITCH 14 TEETH 1/2” BORE 14.5 DEG P.A.
USED

QTY 1 BROWNING NSS1214 STEEL SPUR GEAR 12 PITCH 14 TEETH 1/2” BORE 14.5 DEG P.A.

$36.00
1 PC VINTAGE MACHINE MITER GEAR 20 TEETH 8MM BORE RIGHT HAND STEAMPUNK USE ONLY
FOR PARTS OR NOT WORKING

1 PC VINTAGE MACHINE MITER GEAR 20 TEETH 8MM BORE RIGHT HAND STEAMPUNK USE ONLY

$5.00
Boston Gear No.1  50-Tooth Brass Worm Gear
USED

Boston Gear No.1 50-Tooth Brass Worm Gear

$139.00
Bevel Gear Set Stainless Steel 20 tooth 1/2” bore and 13"shaft and 4.5" shaft
USED

Bevel Gear Set Stainless Steel 20 tooth 1/2” bore and 13"shaft and 4.5" shaft

$49.95
UNKNOWN BRAND BRONZE WORM GEAR 0T29N-6A - 7/8" BORE 5-1/4" DIAMETER 80 TEETH
USED

UNKNOWN BRAND BRONZE WORM GEAR 0T29N-6A - 7/8" BORE 5-1/4" DIAMETER 80 TEETH

$100.00
Whinsmith Gear Box Speed Reducer 1000:1 Double Reduction
-40%
USED

Whinsmith Gear Box Speed Reducer 1000:1 Double Reduction

$467.99
BOSTON GEAR MATCHING BRONZE WORM GEAR SET 16 PITCH 60 TEETH 60:1 RATIO G1048
USED

BOSTON GEAR MATCHING BRONZE WORM GEAR SET 16 PITCH 60 TEETH 60:1 RATIO G1048

$160.00
3.19" OD x 1-1/8" Spur Gear 20°PA 1-1/4" Spline Shaft 30T
-30%
USED

3.19" OD x 1-1/8" Spur Gear 20°PA 1-1/4" Spline Shaft 30T

$16.14
QTY 1 SET STAINLESS 32 PITCH 24 TEETH MITER GEAR SET 5/16” BORE FROM MINI-BLIND
USED

QTY 1 SET STAINLESS 32 PITCH 24 TEETH MITER GEAR SET 5/16” BORE FROM MINI-BLIND

$22.00
BOSTON GEAR BRASS G-136 SPUR GEAR 48 PITCH 24 TEETH OLDER AND DARKER IN COLOR
USED

BOSTON GEAR BRASS G-136 SPUR GEAR 48 PITCH 24 TEETH OLDER AND DARKER IN COLOR

$12.00
UNBRANDED SPUR GEAR 4-1/2" OD 52 TEETH BORE- 1-1/8"
USED

UNBRANDED SPUR GEAR 4-1/2" OD 52 TEETH BORE- 1-1/8"

$20.00
NYLON / POM SPUR GEAR MODULE 1.25 -24 TEETH EXPERIMENT PROTOTYPE 7MM BORE
USED

NYLON / POM SPUR GEAR MODULE 1.25 -24 TEETH EXPERIMENT PROTOTYPE 7MM BORE

$7.00
W M BERG STAINLESS STEEL CLUSTER SPUR GEAR 48 PITCH 100/25 TEETH 1/4"  BORE LOOK
USED

W M BERG STAINLESS STEEL CLUSTER SPUR GEAR 48 PITCH 100/25 TEETH 1/4" BORE LOOK

$23.00
32 PITCH 100 TEETH GRANT GEAR BRONZE WORM GEAR SET 100:1 RATIO WITH BOTH SHAFTS
USED

32 PITCH 100 TEETH GRANT GEAR BRONZE WORM GEAR SET 100:1 RATIO WITH BOTH SHAFTS

$125.00
W. M. BERG STAINLESS WORM GEAR SET 20:1 RATIO 16 PITCH 1 LEAD LEFT HAND HELIX
USED

W. M. BERG STAINLESS WORM GEAR SET 20:1 RATIO 16 PITCH 1 LEAD LEFT HAND HELIX

$65.00
QTY 1 DYNAMIC GEAR BRASS SPUR GEAR 32 PITCH 70 TEETH 5/16” BORE 1/16” WIDE FACE
USED

QTY 1 DYNAMIC GEAR BRASS SPUR GEAR 32 PITCH 70 TEETH 5/16” BORE 1/16” WIDE FACE

$17.00
Boston Gear worm Salesman Sample brass worm gears worm gear
USED

Boston Gear worm Salesman Sample brass worm gears worm gear

$270.76
QTY 1 BOSTON GEAR STEEL SPUR GEAR 32 PITCH 24 TEETH 5/16” BORE 3/16” WIDE FACE
USED

QTY 1 BOSTON GEAR STEEL SPUR GEAR 32 PITCH 24 TEETH 5/16” BORE 3/16” WIDE FACE

$24.00
VINTAGE TEXTILE WORM GEAR SPEED REDUCER 115:1 REDUCTION RATIO FOR MEASURING
USED

VINTAGE TEXTILE WORM GEAR SPEED REDUCER 115:1 REDUCTION RATIO FOR MEASURING

$70.00
Union Gear Company MA - CWG 1260 Lathe CNC Machinist Tool Vintage Worm Use
USED

Union Gear Company MA - CWG 1260 Lathe CNC Machinist Tool Vintage Worm Use

$49.95
Lot of 3 Martin M1221C Straight Tooth Miter Gear, 21 Teeth, 20 ° Pressure Angle
USED

Lot of 3 Martin M1221C Straight Tooth Miter Gear, 21 Teeth, 20 ° Pressure Angle

$64.99
HUGE BOSTON GEAR G244 BRONZE SPUR GEAR LIVE STEAM 16 PITCH 128 TEETH TOWER CLOCK
USED

HUGE BOSTON GEAR G244 BRONZE SPUR GEAR LIVE STEAM 16 PITCH 128 TEETH TOWER CLOCK

$375.00
HO 21061 WHITE SPUR GEAR 86 TEETH 18-1/2" OD 3/4" PITCH
USED

HO 21061 WHITE SPUR GEAR 86 TEETH 18-1/2" OD 3/4" PITCH

$600.00
Browning  NSS2025  Steel Gear Spur #110N10*BI
USED

Browning NSS2025 Steel Gear Spur #110N10*BI

$24.00
10” LONG BRASS GEAR RACK 24 PITCH  5/16” TALL  20° PRESSURE ANGLE .238” WIDE
USED

10” LONG BRASS GEAR RACK 24 PITCH 5/16” TALL 20° PRESSURE ANGLE .238” WIDE

$28.00
Large Lot of Gears and Misc
USED

Large Lot of Gears and Misc

$400.00
QTY 1 BOSTON GEAR G1216 BRASS PULLEY WATCH LATHE UP TO 3/16" BELT JEWELER MOTOR
USED

QTY 1 BOSTON GEAR G1216 BRASS PULLEY WATCH LATHE UP TO 3/16" BELT JEWELER MOTOR

$25.00
QTY 1 BOSTON GEAR BRONZE WORM GEAR SET 32 PITCH 40 TEETH 10:1 QUAD LEAD Q1328
USED

QTY 1 BOSTON GEAR BRONZE WORM GEAR SET 32 PITCH 40 TEETH 10:1 QUAD LEAD Q1328

$75.00
Union Gear Quincy MA Spur Gear CB 1060 6" Diameter 7/8" Bore 60 Teeth
USED

Union Gear Quincy MA Spur Gear CB 1060 6" Diameter 7/8" Bore 60 Teeth

$39.95
QTY 1 CAST IRON CHANGE GEAR 8 PITCH 70 TEETH 1 5/8” BORE 5/16” KEYWAY 14.5 PA
USED

QTY 1 CAST IRON CHANGE GEAR 8 PITCH 70 TEETH 1 5/8” BORE 5/16” KEYWAY 14.5 PA

$275.00
Plessey Transmission R3500 AnglGear Right Angle Bevel Gear Drive USA Made SH6477
USED

Plessey Transmission R3500 AnglGear Right Angle Bevel Gear Drive USA Made SH6477

$189.95