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#CODE
- Discontinued Products
Conveyor Bearings - Shafts for molded, urethane bearings. (UWS628)
- Volume Discount
•Type: Related Components
•Operating Environment: Standard
•Mounting Style: Standard Threaded
- inCAD Components
Part Number
Configured Part Number is shown.
UWS628
・Materials
[ M ] Material: 1018 Carbon Steel
[ S ] Surface Treatment: Black Oxide
[ A ] Accessories: Nut Retaining Ring-C Type
[ ! ](Retaining Ring-E Type for No. 312~830.)
[ M ] Material: 1018 Carbon Steel
[ S ] Surface Treatment: Black Oxide
[ A ] Accessories: Nut Retaining Ring-C Type
[ ! ](Retaining Ring-E Type for No. 312~830.)
Specifications
| Part Number |
| UWS312 |
| Part Number | Dg6 | A | ℓ | ℓ1 | V | d | M | B | (C) | m | n | Applicable Urethane Molded Bearing | |||||
| Type | No. | Tolerance | Dimension | Tolerance | |||||||||||||
| UWS | 312 | 3 | 3 | 5 | - | 4 | 2.05 | + 0.06 0 | 3 | 5 | 5.8 | 0.5 | + 0.05 0 | 2 | UMBB UMBW UMBG UMBGW UMBL UMBLW UMBD SUMBB UMSB UMSW UMSG UMSGW SUMSB | UMBBR UMBWR SUMBBR UMSBR UMSWR | 3-12 |
| 413 | 4 | 4 | 1 | 5 | 3.05 | 4 | 7 | 8.1 | 0.7 | 4-13 | |||||||
| 416 | 5 | 6 | 4-16 | ||||||||||||||
| 516 | 5 | 5 | 2 | 6.9 | 4.05 | + 0.075 0 | 5 | 8 | 9.2 | + 0.1 0 | 5-16 | ||||||
| 520 | 7.5 | 10 | 11.5 | 5-20 | |||||||||||||
| 620 | 6 | 5 | 3 | 8 | 5.05 | 6 | 6-20 | ||||||||||
| 628 | 6 | 9 | 6-28 | ||||||||||||||
| 828 | 8 | 7 | 10 | 4 | 12 | 7.1 | + 0.09 0 | 8 | 14 | 16.2 | 0.9 | 3 | 8-28 | ||||
| 830 | 8-30 | ||||||||||||||||
| 1030 | 10 | 8 | 13 | 9.6 | 0 - 0.09 | 10 | 1.15 | + 0.14 0 | 10-30 | ||||||||
| 1040 | 9 | 16 | 19 | 21.9 | 10-40 | ||||||||||||
| 1540 | 15 | 9 | 15 | 5 | 18 | 14.3 | 0 - 0.11 | 12 | 4 | 15-40 | |||||||
| 1545 | 11 | 19 | 21 | 24 | 15-45 | ||||||||||||
| 2045 | 20 | 9 | 6 | 23 | 19 | 0 - 0.21 | 16 | 27 | 31.2 | 1.35 | 20-45 | ||||||
| 2055 | 14 | 25 | 20-55 | ||||||||||||||
Price list
■Volume Discount Rate ([ ! ]Round down to nearest one cent.) P.89
[ ! ]For orders larger than indicated quantity, please request a quotation.
| Quantity | 1~9 | 10~14 | 15~19 | 20~49 |
| Discount Rate | Unit Price | 5% | 10% | 18% |
Part Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
- *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
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Support Information
Hardness Guide
| Hardness | Example | ||
|---|---|---|---|
| Shore A95 | Golf Ball |  | Hard |
| Shore A90 | Baseball | ||
| Shore A70 | Softball | ||
| Shore A50 | Plastic Eraser | ||
| Shore A30 | Bicycle Inner Tube | Soft |
Hardness tolerance range: ±5 of the indicated value.
Material Characteristics
It is important to select the right material according to your application, the different materials we handle within the catalog are
| Material | Description |
|---|---|
| Urethane | Excels in mechanical strength. Weak in heat and chemical resistance. Wide range of hardness variations. |
| Nitrile (NBR) | Excels in abrasion resistance and oil resistance, and economical. Inferior in weather resistance. Avoid using in areas where it may be exposed to direct sunlight or around ozone-generating electrical devices. |
| Chloroprene (CR) | Well-balanced in properties and economical. |
| Ethylene (EPDM) | Excels in weather resistance and economical. Inferior in oil resistance and fire resistance. |
| Butyl (IIR) | Excels in weather resistance and airtightness. Suited for inner tube of air tire. Inferior in oil resistance and fire resistance. |
| Fluorine (FPM) | Excels in most properties. |
| Silicone (SI) | Excels in heat resistance. Inferior in mechanical strength. |
| Low Elastic | Excels in shock absorption and oil resistance. Inferior in heat resistance and low temperature resistance. |
Comparison between Materials
The following is a comparison of the resistance of the materials:
| Weak |  | Strong | ||||||
|---|---|---|---|---|---|---|---|---|
| Mechanical Strength | Silicone | Low Elastic | Butyl | Ethylene | Nitrile | Fluorine | Chloroprene | Urethane |
| Weather Resistance | Nitrile | Low Elastic | Chloroprene | Urethane | Butyl | Silicone | Ethylene | Fluorine |
| Abrasion Resistance | Silicone | Low Elastic | Butyl | Ethylene | Chloroprene | Urethane | Nitrile | Fluorine |
| Heat Resistance | Low Elastic | Urethane | Nitrile | Chloroprene | Butyl | Ethylene | Silicone | Fluorine |
| Oil Resistance | Butyl | Ethylene | Silicone | Chloroprene | Urethane | Low Elastic | Nitrile | Fluorine |
Precautions
Urethane will change color and turn yellow over time.
Particularly antistatic urethane (gray color) may undergo noticeable discoloration, but, without physical problems and maintaining its properties.
The process of discoloration over time is shown below. Please consider this before use.
*Time and level of discoloration varies greatly depending on the environment of use, etc.
Before Changing After Changing
Way to Use
| Use | Sideways | Over | Under | Diagonal |
|---|---|---|---|---|
 |  |  |  | |
| Recommended Products | Press-fit bearing | Press-fit bearing | Lightweight: Press-fit bearings Heavyweight: Molded bearings | Molded bearing |
[!] The bearing urethane might come loose even if the bearing is used upward, sideways or downward, the bearing urethane can come loose. It happened because an unbalanced load is applied due to mounting accuracy, balancing of the workpiece, or it is used at high rotational speeds.
Compatible Models
Basic Information
| Type | Related Components | Mounting Style | Standard Threaded | Operating Environment | Standard (for Light Load) |
|---|
Please check the type/dimensions/specifications of the part UWS628 in the Conveyor Bearings - Shafts for molded, urethane bearings. series.
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Products like this...
| Part Number |
|---|
| UWS1540 |
| UWS1545 |
| UWS2045 |
| UWS2055 |
| UWS828 |
| UWS830 |
Additional Products in this Category
- Conveyor Bearings - Light load.
- Conveyor Bearings - Threaded shaft.
- Conveyor Bearings - Urethane/silicone/rubber covered, R type, threaded shaft.
- Conveyor Bearings - Engineering plastic, flat type with bracket.
- Conveyor Bearings - Engineering plastic, R type (round) with bracket.
- Conveyor Bearings - Engineering plastic, U groove, threaded bore.
- Conveyor Bearings - Engineering plastic, one side flanged, straight bore.
- Conveyor Bearings - Engineered plastic, flanged on one edge, and threaded stem.
Complementary Products
MISUMI Unit Example related to this product
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