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SparkFun Electronics will be closed on November 26, 2020 and November 27, 2020 for the Thanksgiving holiday. We will begin normal operations at 9:00 AM Mountain Time on November 30, 2020.

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Please see all COVID-19 updates here as some shipments may be delayed due to CDC safety and staffing guidelines. If you have an order or shipping question please refer to our Customer Support page. For technical questions please check out our Forums. Thank you for your continued support.

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Parts - Mounts/Hubs

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Universal Mounting Hub - 5mm Aluminum

Universal Mounting Hub - 5mm Aluminum

ROB-10006
$7.49
4
ServoBlock Kit - Hitec Standard (Hub Shaft)

ServoBlock Kit - Hitec Standard (Hub Shaft)

ROB-12347
$26.99
Bearing Mount - Pillow Block (3/8" Bore)

Bearing Mount - Pillow Block (3/8" Bore)

ROB-12100
$6.49
Set Screw Hub - 1/4" Bore

Set Screw Hub - 1/4" Bore

ROB-12488
$4.99
1
Bearing Mount - Flat (1/4" Bore)

Bearing Mount - Flat (1/4" Bore)

ROB-12328
$5.99
2
Bearing Mount - Pillow Block (1/4" Bore)

Bearing Mount - Pillow Block (1/4" Bore)

ROB-12333
$5.99
2
Stepper Motor Mount - NEMA 17 (Actobotics)

Stepper Motor Mount - NEMA 17 (Actobotics)

ROB-12987
$7.50
3
Hub - Set Screw (3mm Bore)

Hub - Set Screw (3mm Bore)

ROB-12104
$6.99
Motor Mount - Swivel Clamp (37mm)

Motor Mount - Swivel Clamp (37mm)

ROB-12524
$5.99
Hub Mount - Quad (Mount C)

Hub Mount - Quad (Mount C)

ROB-12222
$5.99
1
Motor Mount - E Style

Motor Mount - E Style

ROB-14076
$4.99
Bearing Mount - Pillow Block (3/4" Bore)

Bearing Mount - Pillow Block (3/4" Bore)

ROB-12110
$7.99
Tube Clamp Hub - 5/8" Bore (90 Degree)

Tube Clamp Hub - 5/8" Bore (90 Degree)

ROB-12220
$7.99
Hub Adapter - 1.50" to 0.77"

Hub Adapter - 1.50" to 0.77"

ROB-12199
$4.95
Motor Mount - Swivel Clamp (22mm)

Motor Mount - Swivel Clamp (22mm)

ROB-12192
$5.99
Motor Mount - B Style

Motor Mount - B Style

ROB-12400
$4.99
Hub Mount - Quad (Mount E)

Hub Mount - Quad (Mount E)

ROB-12433
$5.99
Bearing Mount - Quad Block (1/4" Bore)

Bearing Mount - Quad Block (1/4" Bore)

ROB-12510
$6.49
1
Hub Mount - Quad (Mount A)

Hub Mount - Quad (Mount A)

ROB-12353
$4.99
Clamping Hub - 1" Bore (Threaded)

Clamping Hub - 1" Bore (Threaded)

ROB-12414
$5.99
Round Screw Plate - 1/4"-20

Round Screw Plate - 1/4"-20

ROB-12431
$3.99
Hub Adapter - 0.625" to 0.77"

Hub Adapter - 0.625" to 0.77"

ROB-12167
$4.99 $4.24
Hub Spacer - 1/4"

Hub Spacer - 1/4"

ROB-12159
$1.19
Clamping Hub - 1/2" Bore

Clamping Hub - 1/2" Bore

ROB-12214
$7.99
ServoBlock Kit - Hitec Standard (Plain Shaft)

ServoBlock Kit - Hitec Standard (Plain Shaft)

ROB-12203
$24.99
Set Screw Hub - 4mm Bore

Set Screw Hub - 4mm Bore

ROB-12157
$4.99
Servo Mount - Servo Plate A

Servo Mount - Servo Plate A

ROB-12330
$4.99
Servo Mount - Servo Plate A (1/4 scale)

Servo Mount - Servo Plate A (1/4 scale)

ROB-12200
$5.99
Servo Mount - Servo Plate C

Servo Mount - Servo Plate C

ROB-12237
$5.99
Clamping Hub - 1/4" Bore

Clamping Hub - 1/4" Bore

ROB-12238
$7.99
1
Hub Spacer - 1/2"

Hub Spacer - 1/2"

ROB-12149
$1.59
Set Screw Hub - 1/8" Bore

Set Screw Hub - 1/8" Bore

ROB-12108
$4.99
Set Screw Hub - 5/16" Bore

Set Screw Hub - 5/16" Bore

ROB-12196
$4.99
1
Set Screw Hub - 3/8" Bore

Set Screw Hub - 3/8" Bore

ROB-12306
$4.99
Bearing Mount - Quad Block (3/8" Bore)

Bearing Mount - Quad Block (3/8" Bore)

ROB-12146
$6.99
Hub Mount - 45 Degrees

Hub Mount - 45 Degrees

ROB-12188
$4.99
Servo Mount - Servo Plate D

Servo Mount - Servo Plate D

ROB-12292
$6.99
Hub Spacer - 1/8"

Hub Spacer - 1/8"

ROB-12284
$0.99
Dolly Wheel Plate - Idler A (pair)

Dolly Wheel Plate - Idler A (pair)

ROB-12181
$5.99
Hub Adapter - 1.50" to 1.50"

Hub Adapter - 1.50" to 1.50"

ROB-12129
$3.99
Hub Spacer - 3/4"

Hub Spacer - 3/4"

ROB-12298
$1.79
Clamping Hub - 1/8" Bore

Clamping Hub - 1/8" Bore

ROB-12304
$7.99
Bearing Mount - Pillow Block Square (1" Bore)

Bearing Mount - Pillow Block Square (1" Bore)

ROB-12282
$9.99
Set Screw Hub - 6mm Bore

Set Screw Hub - 6mm Bore

ROB-12318
$4.99
3
Clamping Hub - 3mm Bore

Clamping Hub - 3mm Bore

ROB-12319
$7.99
Motor Mount - Swivel Mount

Motor Mount - Swivel Mount

ROB-12271
$3.99
Motor Mount - Swivel Clamp (32mm)

Motor Mount - Swivel Clamp (32mm)

ROB-12180
$5.99
Bearing Mount - Pillow Block Round (1" Bore)

Bearing Mount - Pillow Block Round (1" Bore)

ROB-12267
$8.49