🔧 H211 Adapter Sleeve Assembly
Includes:
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Adapter Sleeve: H211
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Lock Nut: KM11
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Lock Washer: MB11
📐 Standard Dimensions for H211
| Parameter | Value |
|---|---|
| Shaft Diameter (d) | 50 mm |
| Tapered Bore (d1) | ~55 mm (1:12 taper) |
| Thread (Lock Nut) | M55 × 2 |
| Sleeve Length (L) | ~65 mm |
| Lock Nut | KM11 |
| Lock Washer | MB11 |
| Taper Ratio | 1:12 |
🔎 Dimensions may vary slightly by manufacturer (SKF, FAG, NSK, etc.).
✅ Compatible Bearings
Often used with:
🔹 Self-aligning Ball Bearings:
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1211K
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1311K
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2211K
🔹 Spherical Roller Bearings:
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21311K
-
22211K
⚙️ Function
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Used to mount a tapered bore bearing onto a 50 mm cylindrical shaft.
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The bearing fits over the tapered sleeve.
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Tightening the KM11 lock nut draws the bearing into position.
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The MB11 lock washer secures the nut, preventing rotation or loosening.
🛠️ Installation Procedure
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Slide H211 sleeve onto the 50 mm shaft.
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Mount the tapered bore bearing onto the sleeve.
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Tighten the KM11 lock nut using a spanner or hook wrench.
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Secure the MB11 washer by bending a tab into the nut's slot.
✅ For precise fit, measure the internal radial clearance reduction during tightening (especially for spherical roller bearings