Spacer washers / bolt circle / material selectable / treatment selectable
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Back to the Category Washers/Collars (metal)
Available dimensions and tolerances can be found under the tab More information.
| Type | Material | Surface Treatment |
| WBAC | EN 1.1191 Equiv. | - |
| WBAB | Black Oxide | |
| WBAM | Electroless Nickel Plating | |
| WBAA | Aluminum Alloy 2000 series | Clear Anodize |
| WBAS | EN 1.4301 Equiv. | - |
Further specifications can be found under the tab More information.
| Part Number | - | D | - | V | - | E | - | Q | - | T |
| WSRM14 | - | 2.5 | ||||||||
| FWSRS | - | D17.5 | - | V6.5 | - | E3 | - | T7.5 | ||
| WBAB30 | - | V8 | - | Q18 | - | T3 |
Selection Details of Discs and Sleeves
- Material: steel, stainless steel, aluminum, brass, tool steel
- Coating: untreated, burnished, nickel-plated, LTBC coating, anodized, chrome-plated
- Basic shapes: straight, with collar, sleeve, disc, front panel with open oblong hole
- Designs: through hole, two through holes, bolt circle, oblong hole, counterbore, conical counterbore, internal thread
- Hardness: up to ~55HRC
- ISO tolerances: g6, h7
- Inner diameter: 0 mm to 90 mm
- Outer diameter: 3 mm to 100 mm
- Length: 1 mm to 200 mm
Overview of the various designs as PDF
Description/Basics
A spacer sleeve or distance washer serves as a spacer in mechanical engineering to maintain a predetermined position. Unlike the known washers, spacer sleeves and distance washers are not punched. Spacer sleeves, which are also known as spacer sleeves, have a precise length. Their length tolerance (precision class) is up to +/- 0.01 mm. A spacer sleeve can therefore also be used as a bearing sleeve of rolling bearings.
These metal sleeves and discs are available at MISUMI either unhardened or hardened. Particularly hard discs and sleeves have a high level of wear resistance. Stainless steel sleeves and stainless steel washers are well protected against oxidation in corrosive environments. Spacer sleeves or distance sleeves can be configured with collar (flange). The height of the government is also tolerated and can also be used for maintaining a distance.
Due to the individual configuration of the distance sleeve and spacer washer, they offer nearly an unlimited use in mechanical engineering.
Areas of Application
The spacer sleeve or distance washer is suitable for many mechanical engineering applications due to its tolerable height. Compared to the commercially available washer, the distance washer can have a larger bearing surface. The special form as a countersunk washer is well suited for shaft mounting at the shaft end.
The precisely manufactured spacer sleeve is suitable for precisely maintaining a distance between two components. If several sleeves are necessary for this, MISUMI offers simultaneous grinding spacer sleeves. Due to the matched length of the grinding distance sleeves, which are used as a set (min. 2 pieces), a flat surface can be formed. In addition, the simultaneously ground sleeves can reduce play, because the height difference from one another is limited to +/- 5μ.
Alternatively, the metal disc or the metal collar can be suitable as a spring disk in order to serve a pressure spring as a receiver or stopper.
At MISUMI, you can configure the distance washer and distance sleeve to your specifications and order it online. The additionally selectable options extend the design freedom of the metal collars and metal discs.
Materials
Metal collars and metal discs in steel, tool steel and stainless steel are available in the MISUMI online shop. Stainless steel sleeves and washers provide good corrosion resistance and can be used in corrosive environments.
Alternatively, MISUMI offers discs and sleeves made of plastic and ceramic as well as thermally insulating materials for special environmental influences.
In addition, MISUMI offers discs and sleeves made of rubber and felt, which can work with diverse properties, e.g., antistatic and vibration damping.
Coatings
MISUMI sleeves and discs are available uncoated, burnished, nickel-plated, LTBC-coated, anodized and chrome-plated versions to protect metal sleeves and metal washers from corrosion and wear.
Dimensions
Overview of the geometric variants as PDF
Standard class and precision class of the spacer sleeve
(1) Spacer sleeve – standard class, (2) spacer sleeve – precision class
Standard class and precision class of the spacer disc
(1) Spacer washer – standard class, (2) spacer washer – precision class
(1) Plate, (2) spacer washer, (3) screw – hexagon socket
(1) Screw, (2) metal washer, (3) metal collar, (4) natural rubber plate
(1) Spacer sleeve, (2) ball bearing, (3) rotary shaft
(1) Distance sleeve/spacer sleeve
Washers / Collars (Non-Metal, Plastic)
Washers / Collars (Urethane, Rubber, Sponge, Felt)
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| Part Number | Minimum order quantity | Volume Discount | RoHS | O.D. D (mm) | I.D. (mm) | Thickness/Length (mm) | Material | Surface Treatment | Hole Pitch Q (mm) | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 Days | 10 | 20 | 3 ～ 6 | 1 ～ 10 | [Steel] EN 1.1191 Equiv. | Black Oxide | 10.5 ～ 13.5 | ||
| 1 | 10 Days | 10 | 25 | 3 ～ 10 | 1 ～ 10 | [Steel] EN 1.1191 Equiv. | Black Oxide | 10.5 ～ 17 | ||
| 1 | 10 Days | 10 | 30 | 3 ～ 10 | 1 ～ 10 | [Steel] EN 1.1191 Equiv. | Black Oxide | 12 ～ 20 | ||
| 1 | 10 Days | 10 | 35 | 3 ～ 16 | 1 ～ 10 | [Steel] EN 1.1191 Equiv. | Black Oxide | 12 ～ 25 | ||
| 1 | 10 Days | 10 | 40 | 3 ～ 20 | 1 ～ 10 | [Steel] EN 1.1191 Equiv. | Black Oxide | 12 ～ 30 | ||
| 1 | 10 Days | 10 | 50 | 3 ～ 22 | 1 ～ 10 | [Steel] EN 1.1191 Equiv. | Black Oxide | 14 ～ 35 | ||
| 1 | 10 Days | 10 | 60 | 3 ～ 28 | 1 ～ 10 | [Steel] EN 1.1191 Equiv. | Black Oxide | 14 ～ 40 |
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Back to the Category Washers/Collars (metal)
Overview of the various designs as PDF
| Part Number | V 0.5mm Increment | Q 0.5mm Increment | T 1mm Increment | d | Applicable Screw | Unit Price | |||||||||||||||
| WBAC | WBAB | WBAM | WBAA | WBAS | |||||||||||||||||
| Type | D | T1~2 | T3~5 | T6~10 | T1~2 | T3~5 | T6~10 | T1~2 | T3~5 | T6~10 | T2 | T3~5 | T6~10 | T1~2 | T3~5 | T6~10 | |||||
| WBAC WBAB WBAM WBAA WBAS | 20 | 3.0~ 5.0 | 10.5~13.5 | 1~10 | 3.5 | M3 | |||||||||||||||
| 25 | 3.0~ 9.5 | 10.5~17 | 3.5 | M3 | |||||||||||||||||
| 30 | 3.0~10.0 | 12 ~20 | 4.5 | M4 | |||||||||||||||||
| 35 | 3.0~16.0 | 12 ~25 | 4.5 | M4 | |||||||||||||||||
| 40 | 3.0~20.0 | 12 ~30 | 4.5 | M4 | |||||||||||||||||
| 50 | 3.0~22.0 | 14 ~35 | 5.5 | M5 | |||||||||||||||||
| 60 | 3.0~28.0 | 14 ~40 | 5.5 | M5 | |||||||||||||||||
| Q≥V+d+4 T≥2 for WBAA. | |||||||||||||||||||||
Basic information
| Shape | Straight | Inner Shape | Screw Hole | O.D. Tolerance | 0 to -0.2 |
|---|---|---|---|---|---|
| I.D. Tolerance | +0.3 to +0.1 | Sale Type | Sold Separately | Dimension Specifying Method | Dimension Configurable Type |
| Hardness(HRC) | No Hardened | Precision | Standard Grade |
Configure
Basic Attributes
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O.D. D(mm)
-
I.D.(mm)
-
Thickness/Length(mm)
-
Material
- Steel
- Stainless Steel
- Aluminum
- Steel
-
Hole Pitch Q(mm)
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Type
- WBAA
- WBAB
- WBAC
- WBAM
- WBAS
-
Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Anodize (Clear)
-
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Optional Attributes
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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