Idler
Product name | Idler Pulleys - Backside Tension Type |
Part number | AFBD37-65 |
Features | Can be used as the tension adjuster for timing belts. |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
To broaden the contact angle of a timing pulley
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Available sizes
■Idler Pulleys - Backside Tension Type
Material | Surface Treatment | Bearing Material |
2017 Aluminum Alloy | Clear Anodize | Steel |
■Sizes
Width | O.D. | Applicable Belt Nominal Width | Bearing Dimension |
inch | mm | Name No. | Shaft Bore Dia. | Width |
9 | φ15 | − | 040 | 675ZZ×2 | φ5 | 2.5 |
φ20 | 676ZZ×2 | φ6 | 3 |
11 | φ15 | 060 | 675ZZ×2 | φ5 | 2.5 |
φ20 | 676ZZ×2 | φ6 | 3 |
12 | φ15 | 25 | − | 675ZZ×2 | φ5 | 2.5 |
φ20 | 676ZZ×2 | φ6 | 3 |
15 | φ20 | 37 | 100 | 686ZZ×2 | 5 |
φ25 | 688ZZ×2 | φ8 | 5 |
19 | φ25 | 50 | − | 688ZZ×2 | 5 |
φ30 | 688ZZ×2 | 5 |
22 | φ25 | − | 150 | 688ZZ×2 | 5 |
φ35 | 6000ZZ×2 | φ10 | 8 |
26 | φ40 | 75 | − | 6000ZZ×2 | 8 |
φ45 | 6201ZZ×2 | φ12 | 10 |
27 | φ60 | − | 200 | 6201ZZ×2 | 10 |
32 | φ45 | 100 | 250 |
φ65 |
37 | φ55 | − | 300 |
φ65 |
45 | φ70 | 150 | − | 6202ZZ×2 | φ15 | 11 |
49 | φ60 | − | 400 |
φ70 |
58 | φ60 | 500 |
59 | φ70 | 200 | − |
* See the product pages for details on the dimensions.
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Hinge Pin
Product name | Precision Pivot Pin Keys |
Part number | PCLKG12-74 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Low priced item suitable for using as the rotary shaft of idlers
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Available sizes
■Precision Pivot Pin Keys
Material | Hardness | Surface Treatment |
1045 Carbon Steel | − | Black Oxide |
40〜45HRC |
− | Electroless Nickel Plating |
40〜45HRC |
Plating Hardness 750HV - | Hard Chrome Plating |
Plating Thickness of 3μm or more |
304 Stainless Steel | − | − |
440C Stainless Steel | 45〜50HRC |
■Sizes and Dimensions
Pin Dia. | Pin Section Length (configurable in 0.1mm increments) | Keyway |
Width | Depth |
φ3 | 10.0〜 50.0 | 2.5 | 1 |
φ4 |
φ5 | 10.0〜 60.0 | 1.5 |
φ6 | 10.0〜100.0 | 2 |
φ8 |
φ10 | 15.0〜100.0 |
φ12 | 15.0〜200.0 |
φ13 | 25.0〜200.0 |
φ14 |
φ15 |
φ16 | 30.0〜200.0 | 3.7 | 3 |
φ17 |
φ18 |
φ20 |
φ22 |
φ25 |
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Accuracy Info
■Pivot Pin Dia. Tolerance (g6)
Pin Dia. | Tolerance |
φ3 | -0.002/-0.008 |
φ4 | -0.004/-0.012 |
φ5 |
φ6 |
φ8 | -0.005/-0.014 |
φ10 |
φ12 | -0.006/-0.017 |
φ13 |
φ14 |
φ15 |
φ16 |
φ17 |
φ18 |
φ20 | -0.007/-0.020 |
φ22 |
φ25 |
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Stopper Bolts
Product name | Stopper Bolts With Bumpers- Standard, Straight Shape |
Part number | PUST10-50 |
* Orange colored cells in the table below indicate the part numbers used in this example.
Selection criteria
Select the parts with plastic tips to avoid damaging the components
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Available sizes
■Stopper Bolts With Bumpers- Standard, Straight Shape
Stopper | Hex Screw | Accessory (hex nut) |
Material | Hardness | Material | Strength Class | Surface Treatment | Material | Surface Treatment |
Urethane (black) | Shore A90 | 4137 Alloy Steel | 10.9 | Trivalent Chromate | 1018 Carbon Steel | Trivalent Chromate |
304 Stainless Steel | − | − | 304 Stainless Steel | − |
Low Repulsion Urethane (gray) | Shore A70 | 4137 Alloy Steel | 10.9 | Bright Chromate Plating | 1018 Carbon Steel | Trivalent Chromate |
Polyacetal (white) | − | 4137 Alloy Steel | 10.9 | Trivalent Chromate | 1018 Carbon Steel | Trivalent Chromate |
304 Stainless Steel | − | − | 304 Stainless Steel | − |
Silicone (light gray) | Shore A70 | 4137 Alloy Steel | 10.9 | Trivalent chromate | 1018 Carbon Steel | Trivalent chromate |
304 Stainless Steel | − | − | 304 Stainless Steel | − |
* Bright Chromate Plating is being changed to Trivalent Chromate Plating
■Sizes and Dimensions
Screw Dia. (Coarse) | Length under Head | Stopper | Bolt Head |
15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 60 | 70 | Diameter | Height | Hex size | Height |
M3 | ○ | ○ | ○ | ○ | ○ | ○ | | | | | φ3.5 | 1.5 | 5.5 | 2 |
M4 | ○ | ○ | ○ | ○ | ○ | ○ | | | | | φ5 | 7 | 2.8 |
M5 | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | | | φ6 | 8 | 3.5 |
M6 | | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | | φ8 | 2 | 10 | 4 |
M8 | | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | | φ10 | 13 | 5.5 |
M10 | | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | φ13 | 17 | 7 |
M12 | | | | ○ | | ○ | | ○ | ○ | ○ | φ15 | 19 | 8 |
* Under head of thread contains an incomplete thread portion. Please see the product pages for details
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IDEA NOTE Self-driven transfer
Self-driven transfer mechanism consisting of a servo motor and a timing belt with linear guides.
IDEA NOTE Positional repeatability
By using a servo motor, the positioning accuracy and repeatability are enhanced.
IDEA NOTE Tension mechanism to move the belt fixing part
The tension of the timing belt is adjusted by pushing the belt fixing part via a push screw.