Pulleys - U Groove Idler - Single Row - Plastic With Plain Bore

Pulleys -> U Groove Idler -> Single Row -> Plastic With Plain Bore

There are 6 products in the sub-categories of Pulleys - U Groove Idler - Single Row - Plastic With Plain Bore. Browse the Pulleys - U Groove Idler - Single Row - Plastic With Plain Bore products table.

Category Details

A selection of Plastic With Plain Bore Single Row U Groove Idler Pulleys. Plastic and Steel with Steel Ball Bearings or Plain Bearings.

  • Use with round belts such as Round Seamless Urethane or O-Rings
  • Also used to run on round shafting or curved tracks

Miniature Bearings Australia - MBA Minibearings

Additional resources:


A more concise listing may be found in the Pulleys - U Groove Idler - Single Row - Plastic With Plain Bore category on the Small Parts & Bearings online store.
Maximum Cable Diameter (H) Outside Diameter (OD) Bore (B) Body Width Overall Width (OAL) Dia. to Base of Groove (P) Indicative
Image
U Groove Idler Pulleys - 1.19x12.7x3.251 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
1.19
mm
+/- 0.127
(Equiv. 0.047 in.)
Outside Diameter (OD)
12.70
mm
Bore (B)
3.251
mm
Overall Width (OAL)
3.175
Dia. to Base of Groove (P)
11.05
mm
U Groove Idler Pulleys - 1.19x12.7x3.251 mm - Acetal - Black
Material: Acetal - Black    Type: Plain Bearing - Light Duty    Groove Radius (R): 0.64   
Part Number: PUI012-0127-033-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$814.05 AUD
$814.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Maximum Cable Diameter (H) Outside Diameter (OD) Bore (B) Body Width Indicative
Image
U Groove Idler Pulleys - 1.19x12.7x3.251 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
1.19
mm
+/- 0.127
(Equiv. 0.047 in.)
Outside Diameter (OD)
12.70
mm
Bore (B)
3.251
mm
U Groove Idler Pulleys - 1.19x12.7x3.251 mm - Acetal - Black
Material: Acetal - Black    Overall Width (OAL): 3.175    Dia. to Base of Groove (P): 11.05 mm    Type: Plain Bearing - Light Duty    Groove Radius (R): 0.64   
Part Number: PUI012-0127-033-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$814.05 AUD
$814.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
U Groove Idler Pulleys - 1.19x19.05x3.251 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
1.19
mm
+/- 0.127
(Equiv. 0.047 in.)
Outside Diameter (OD)
19.05
mm
Bore (B)
3.251
mm
Overall Width (OAL)
3.962
Dia. to Base of Groove (P)
15.88
mm
U Groove Idler Pulleys - 1.19x19.05x3.251 mm - Acetal - Black
Material: Acetal - Black    Type: Plain Bearing - Light Duty    Groove Radius (R): 0.64   
Part Number: PUI012-0191-033-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$440.59 AUD
$440.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
U Groove Idler Pulleys - 1.19x19.05x3.251 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
1.19
mm
+/- 0.127
(Equiv. 0.047 in.)
Outside Diameter (OD)
19.05
mm
Bore (B)
3.251
mm
U Groove Idler Pulleys - 1.19x19.05x3.251 mm - Acetal - Black
Material: Acetal - Black    Overall Width (OAL): 3.962    Dia. to Base of Groove (P): 15.88 mm    Type: Plain Bearing - Light Duty    Groove Radius (R): 0.64   
Part Number: PUI012-0191-033-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$440.59 AUD
$440.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
U Groove Idler Pulleys - 1.6x31.75x4.826 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
1.60
mm
+/- 0.127
(Equiv. 0.063 in.)
Outside Diameter (OD)
31.75
mm
Bore (B)
4.826
mm
Overall Width (OAL)
5.563
Dia. to Base of Groove (P)
27.00
mm
U Groove Idler Pulleys - 1.6x31.75x4.826 mm - Acetal - Black
Material: Acetal - Black    Type: Plain Bearing - Light Duty    Groove Radius (R): 0.89   
Part Number: PUI016-0318-048-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$485.23 AUD
$485.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
U Groove Idler Pulleys - 1.6x31.75x4.826 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
1.60
mm
+/- 0.127
(Equiv. 0.063 in.)
Outside Diameter (OD)
31.75
mm
Bore (B)
4.826
mm
U Groove Idler Pulleys - 1.6x31.75x4.826 mm - Acetal - Black
Material: Acetal - Black    Overall Width (OAL): 5.563    Dia. to Base of Groove (P): 27.00 mm    Type: Plain Bearing - Light Duty    Groove Radius (R): 0.89   
Part Number: PUI016-0318-048-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$485.23 AUD
$485.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
U Groove Idler Pulleys - 2.39x38.1x6.452 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
2.39
mm
+/- 0.127
(Equiv. 0.094 in.)
Outside Diameter (OD)
38.10
mm
Bore (B)
6.452
mm
Overall Width (OAL)
7.137
Dia. to Base of Groove (P)
31.75
mm
U Groove Idler Pulleys - 2.39x38.1x6.452 mm - Acetal - Black
Material: Acetal - Black    Type: Plain Bearing - Light Duty    Groove Radius (R): 1.17   
Part Number: PUI024-0381-065-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$663.59 AUD
$663.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
U Groove Idler Pulleys - 2.39x38.1x6.452 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
2.39
mm
+/- 0.127
(Equiv. 0.094 in.)
Outside Diameter (OD)
38.10
mm
Bore (B)
6.452
mm
U Groove Idler Pulleys - 2.39x38.1x6.452 mm - Acetal - Black
Material: Acetal - Black    Overall Width (OAL): 7.137    Dia. to Base of Groove (P): 31.75 mm    Type: Plain Bearing - Light Duty    Groove Radius (R): 1.17   
Part Number: PUI024-0381-065-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$663.59 AUD
$663.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
U Groove Idler Pulleys - 3.18x44.45x6.452 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
3.18
mm
+/- 0.127
(Equiv. 0.125 in.)
Outside Diameter (OD)
44.45
mm
Bore (B)
6.452
mm
Overall Width (OAL)
7.137
Dia. to Base of Groove (P)
34.93
mm
U Groove Idler Pulleys - 3.18x44.45x6.452 mm - Acetal - Black
Material: Acetal - Black    Type: Plain Bearing - Light Duty    Groove Radius (R): 1.68   
Part Number: PUI032-0445-065-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$758.86 AUD
$758.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
U Groove Idler Pulleys - 3.18x44.45x6.452 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
3.18
mm
+/- 0.127
(Equiv. 0.125 in.)
Outside Diameter (OD)
44.45
mm
Bore (B)
6.452
mm
U Groove Idler Pulleys - 3.18x44.45x6.452 mm - Acetal - Black
Material: Acetal - Black    Overall Width (OAL): 7.137    Dia. to Base of Groove (P): 34.93 mm    Type: Plain Bearing - Light Duty    Groove Radius (R): 1.68   
Part Number: PUI032-0445-065-A (PK-100)
Out of Stock | Backorder Now | Backorder now for delivery around Sat, Jun 27, 2026
$758.86 AUD
$758.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
U Groove Idler Pulleys - 4.78x40x6.553 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
4.78
mm
+/- 0.127
(Equiv. 0.188 in.)
Outside Diameter (OD)
40.00
mm
Bore (B)
6.553
mm
Overall Width (OAL)
8.382
Dia. to Base of Groove (P)
31.12
mm
U Groove Idler Pulleys - 4.78x40x6.553 mm - Acetal - Black
Material: Acetal - Black    Type: Plain Bearing - Light Duty    Groove Radius (R): 2.41   
Deleted Item. Available while stocks last.
Part Number: PUI048-0400-066-A (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity
U Groove Idler Pulleys - 4.78x40x6.553 mm Single Row - Acetal - Black Pulley
Maximum Cable Diameter (H)
4.78
mm
+/- 0.127
(Equiv. 0.188 in.)
Outside Diameter (OD)
40.00
mm
Bore (B)
6.553
mm
U Groove Idler Pulleys - 4.78x40x6.553 mm - Acetal - Black
Material: Acetal - Black    Overall Width (OAL): 8.382    Dia. to Base of Groove (P): 31.12 mm    Type: Plain Bearing - Light Duty    Groove Radius (R): 2.41   
Deleted Item. Available while stocks last.
Part Number: PUI048-0400-066-A (Each)
Contact Us | Special Order Only - Please contact us if you need a large quantity | Backorder now for delivery around Tue, Feb 27, 2029