Gears - Spur - Standard - Module 0.5

8 Products in this selection
Combined category including various types of spur gears.
Small Parts & Bearings

Additional resources:
Module 0.5 Gear Racks

A more comprehensive listing may be found on the MBA Minibearings main store at Gears - Spur - Standard - Module 0.5.
Number of Teeth Pitch Circle Diameter (PD) Bore (d) Outside Diameter (OD) Face Width (FW) Type Indicative
Image
Number of Teeth
15
Pitch Circle Diameter (PD)
7.50
mm
Bore (d)
2.000
mm
Outside Diameter (OD)
8.500
mm
Face Width (FW)
4.00
mm
Type
Hubless
Spur Gears - 15 tooth - 7.5x2 mm Hubless - Acetal Gear
Material: Acetal   
Category: Gears - Spur - Hubless - Module 0.5 - Plastic
Part Number: G008P-015-M05-040-020-A (Each) Spur Gears - 15 tooth - 7.5x2 mm Hubless - Acetal Gear
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$6.00 AUD
$11.40 AUD $6.00 AUD
Each
Number of Teeth Pitch Circle Diameter (PD) Bore (d) Outside Diameter (OD) Indicative
Image
Number of Teeth
15
Pitch Circle Diameter (PD)
7.50
mm
Bore (d)
2.000
mm
Outside Diameter (OD)
8.500
mm
Spur Gears - 15 tooth - 7.5x2 mm Hubless - Acetal Gear
Material: Acetal    Face Width (FW): 4.00 mm    Type: Hubless   
Category: Gears - Spur - Hubless - Module 0.5 - Plastic
Part Number: G008P-015-M05-040-020-A (Each) Spur Gears - 15 tooth - 7.5x2 mm Hubless - Acetal Gear
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$6.00 AUD
$11.40 AUD $6.00 AUD
Each
Number of Teeth
20
Pitch Circle Diameter (PD)
10.00
mm
Bore (d)
4.000
mm
+0.022 / -0.00 (H8)
(Equiv. 0.157 in.)
Outside Diameter (OD)
11.000
mm
Face Width (FW)
8.000
mm
Type
K Hub
Spur Gears - 20 tooth - 10x4 mm Hubbed - Carbon Steel Gear
Material: Carbon Steel    Hub Diameter (D1): 11.000 mm    Hub Projection (HL): 10.000 mm    Locking Method: Set Screws M3 (2x120 Deg)   
Category: Gears - Spur - Hubbed - Module 0.5 - Steel
Part Number: G010K-020-M05-080-040-CG (Each) Spur Gears - 20 tooth - 10x4 mm Hubbed - Carbon Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Mon, Aug 03, 2026
$39.23 AUD
$39.23 AUD
Each
Number of Teeth
20
Pitch Circle Diameter (PD)
10.00
mm
Bore (d)
4.000
mm
+0.022 / -0.00 (H8)
(Equiv. 0.157 in.)
Outside Diameter (OD)
11.000
mm
Spur Gears - 20 tooth - 10x4 mm Hubbed - Carbon Steel Gear
Material: Carbon Steel    Face Width (FW): 8.000 mm    Type: K Hub    Hub Diameter (D1): 11.000 mm    Hub Projection (HL): 10.000 mm    Locking Method: Set Screws M3 (2x120 Deg)   
Category: Gears - Spur - Hubbed - Module 0.5 - Steel
Part Number: G010K-020-M05-080-040-CG (Each) Spur Gears - 20 tooth - 10x4 mm Hubbed - Carbon Steel Gear
Out of Stock | Backorder Now | Orders can be expected around Mon, Aug 03, 2026
$39.23 AUD
$39.23 AUD
Each
View the product page first if you are unsure.
Number of Teeth
20
Pitch Circle Diameter (PD)
10.00
mm
Bore (d)
5.000
mm
Outside Diameter (OD)
11.000
mm
Face Width (FW)
5.000
mm
Type
Hubbed
Spur Gears - 20 tooth - 10x5 mm Hubbed - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Gear
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Hub Diameter (D1): 10.00 mm    Hub Projection (HL): 7.00 mm    Locking Method: Set Screw   
Category: Gears - Spur - Hubbed - Module 0.5 - Stainless
Part Number: G010B-020-M05-050-050-S3-G (Each) Spur Gears - 20 tooth - 10x5 mm Hubbed - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Gear
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Number of Teeth
20
Pitch Circle Diameter (PD)
10.00
mm
Bore (d)
5.000
mm
Outside Diameter (OD)
11.000
mm
Spur Gears - 20 tooth - 10x5 mm Hubbed - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Gear
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Face Width (FW): 5.000 mm    Type: Hubbed    Hub Diameter (D1): 10.00 mm    Hub Projection (HL): 7.00 mm    Locking Method: Set Screw   
Category: Gears - Spur - Hubbed - Module 0.5 - Stainless
Part Number: G010B-020-M05-050-050-S3-G (Each) Spur Gears - 20 tooth - 10x5 mm Hubbed - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Gear
5 Available Now | Item Discontinued - Up to 5 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Each
Number of Teeth
21
Pitch Circle Diameter (PD)
10.50
mm
Bore (d)
3.000
mm
Outside Diameter (OD)
11.500
mm
Face Width (FW)
3.000
mm
Type
Hubbed
Spur Gears - 21 tooth - 10.5x3 mm Hubbed - Acetal - Brass Insert Gear
Material: Acetal - Brass Insert    Hub Diameter (D1): 8.00 mm    Hub Projection (HL): 7.00 mm    Locking Method: Set Screw   
Category: Gears - Spur - Hubbed - Module 0.5 - Plastic
Part Number: G011B-021-M05-030-030-AB-G (Each) Spur Gears - 21 tooth - 10.5x3 mm Hubbed - Acetal - Brass Insert Gear
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$7.00 AUD
$13.30 AUD $7.00 AUD
Each
Number of Teeth
21
Pitch Circle Diameter (PD)
10.50
mm
Bore (d)
3.000
mm
Outside Diameter (OD)
11.500
mm
Spur Gears - 21 tooth - 10.5x3 mm Hubbed - Acetal - Brass Insert Gear
Material: Acetal - Brass Insert    Face Width (FW): 3.000 mm    Type: Hubbed    Hub Diameter (D1): 8.00 mm    Hub Projection (HL): 7.00 mm    Locking Method: Set Screw   
Category: Gears - Spur - Hubbed - Module 0.5 - Plastic
Part Number: G011B-021-M05-030-030-AB-G (Each) Spur Gears - 21 tooth - 10.5x3 mm Hubbed - Acetal - Brass Insert Gear
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$7.00 AUD
$13.30 AUD $7.00 AUD
Each
Number of Teeth
24
Pitch Circle Diameter (PD)
12.00
mm
Bore (d)
4.000
mm
Outside Diameter (OD)
13.000
mm
Face Width (FW)
3.000
mm
Type
Hubbed
Spur Gears - 24 tooth - 12x4 mm Hubbed - Acetal - No Insert Gear
Material: Acetal - No Insert    Hub Diameter (D1): 10.00 mm    Hub Projection (HL): 7.00 mm    Locking Method: None   
Category: Gears - Spur - Hubbed - Module 0.5 - Plastic
Part Number: G012B-024-M05-030-040-A-P (Each) Spur Gears - 24 tooth - 12x4 mm Hubbed - Acetal - No Insert Gear
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.00 AUD
$3.80 AUD $2.00 AUD
Each
Number of Teeth
24
Pitch Circle Diameter (PD)
12.00
mm
Bore (d)
4.000
mm
Outside Diameter (OD)
13.000
mm
Spur Gears - 24 tooth - 12x4 mm Hubbed - Acetal - No Insert Gear
Material: Acetal - No Insert    Face Width (FW): 3.000 mm    Type: Hubbed    Hub Diameter (D1): 10.00 mm    Hub Projection (HL): 7.00 mm    Locking Method: None   
Category: Gears - Spur - Hubbed - Module 0.5 - Plastic
Part Number: G012B-024-M05-030-040-A-P (Each) Spur Gears - 24 tooth - 12x4 mm Hubbed - Acetal - No Insert Gear
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.00 AUD
$3.80 AUD $2.00 AUD
Each
Number of Teeth
24
Pitch Circle Diameter (PD)
12.00
mm
Bore (d)
4.000
mm
Outside Diameter (OD)
13.000
mm
Face Width (FW)
3.000
mm
Type
Hubbed
Spur Gears - 24 tooth - 12x4 mm Hubbed - Acetal - Brass Insert Gear
Material: Acetal - Brass Insert    Hub Diameter (D1): 10.00 mm    Hub Projection (HL): 7.00 mm    Locking Method: Set Screw   
Category: Gears - Spur - Hubbed - Module 0.5 - Plastic
Part Number: G012B-024-M05-030-040-AB-G (Each) Spur Gears - 24 tooth - 12x4 mm Hubbed - Acetal - Brass Insert Gear
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$9.00 AUD
$17.10 AUD $9.00 AUD
Each
Number of Teeth
24
Pitch Circle Diameter (PD)
12.00
mm
Bore (d)
4.000
mm
Outside Diameter (OD)
13.000
mm
Spur Gears - 24 tooth - 12x4 mm Hubbed - Acetal - Brass Insert Gear
Material: Acetal - Brass Insert    Face Width (FW): 3.000 mm    Type: Hubbed    Hub Diameter (D1): 10.00 mm    Hub Projection (HL): 7.00 mm    Locking Method: Set Screw   
Category: Gears - Spur - Hubbed - Module 0.5 - Plastic
Part Number: G012B-024-M05-030-040-AB-G (Each) Spur Gears - 24 tooth - 12x4 mm Hubbed - Acetal - Brass Insert Gear
1 Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$9.00 AUD
$17.10 AUD $9.00 AUD
Each
Number of Teeth
50
Pitch Circle Diameter (PD)
25.00
mm
Bore (d)
6.000
mm
Outside Diameter (OD)
26.000
mm
Face Width (FW)
5.000
mm
Type
Hubbed
Spur Gears - 50 tooth - 25x6 mm Hubbed - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Gear
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Hub Diameter (D1): 15.00 mm    Hub Projection (HL): 8.00 mm    Locking Method: Set Screw M4 - 2 at 120 Deg   
Category: Gears - Spur - Hubbed - Module 0.5 - Stainless
Part Number: G025B-050-M05-050-060-S3-G (Each) Spur Gears - 50 tooth - 25x6 mm Hubbed - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Gear
Out of Stock | Backorder Now | Orders can be expected around Mon, Aug 03, 2026
$70.32 AUD
$70.32 AUD
Each
Number of Teeth
50
Pitch Circle Diameter (PD)
25.00
mm
Bore (d)
6.000
mm
Outside Diameter (OD)
26.000
mm
Spur Gears - 50 tooth - 25x6 mm Hubbed - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Gear
Material: Stainless Steel 303/304 (Similar to A2, 18-8) HRB80    Face Width (FW): 5.000 mm    Type: Hubbed    Hub Diameter (D1): 15.00 mm    Hub Projection (HL): 8.00 mm    Locking Method: Set Screw M4 - 2 at 120 Deg   
Category: Gears - Spur - Hubbed - Module 0.5 - Stainless
Part Number: G025B-050-M05-050-060-S3-G (Each) Spur Gears - 50 tooth - 25x6 mm Hubbed - Stainless Steel 303/304 Similar to A2, 18-8 HRB80 Gear
Out of Stock | Backorder Now | Orders can be expected around Mon, Aug 03, 2026
$70.32 AUD
$70.32 AUD
Each
View the product page first if you are unsure.
Number of Teeth
70
Pitch Circle Diameter (PD)
35.00
mm
Bore (d)
10.000
mm
Outside Diameter (OD)
36.000
mm
Face Width (FW)
5.000
mm
Type
Hubless
Spur Gears - 70 tooth - 35x10 mm Hubless - Acetal - No Insert Gear
Material: Acetal - No Insert   
Category: Gears - Spur - Hubless - Module 0.5 - Plastic
Part Number: G035P-070-M05-050-100-A (PK-5) Spur Gears - 70 tooth - 35x10 mm Hubless - Acetal - No Insert Gear
1 pack (5 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Per 5
Number of Teeth
70
Pitch Circle Diameter (PD)
35.00
mm
Bore (d)
10.000
mm
Outside Diameter (OD)
36.000
mm
Spur Gears - 70 tooth - 35x10 mm Hubless - Acetal - No Insert Gear
Material: Acetal - No Insert    Face Width (FW): 5.000 mm    Type: Hubless   
Category: Gears - Spur - Hubless - Module 0.5 - Plastic
Part Number: G035P-070-M05-050-100-A (PK-5) Spur Gears - 70 tooth - 35x10 mm Hubless - Acetal - No Insert Gear
1 pack (5 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
$8.00 AUD
$15.20 AUD $8.00 AUD
Per 5