Adapter Sleeve H311–H317 Series (High Quality Locking Sleeve)
H311–H317 adapter sleeves are standard precision components used for mounting spherical roller bearings with a tapered bore onto cylindrical shafts.
They provide a reliable and economical solution for shaft mounting without machining steps or shoulders.
This series is widely used in heavy-duty industrial equipment where secure locking and easy maintenance are required.
Key Features
Standard H300 series design (H311–H317)
Compatible with spherical roller bearings
High strength carbon steel construction
Includes lock nut and locking washer system
Allows precise axial positioning of bearings
Easy installation and dismounting
Suitable for both smooth and stepped shafts
Widely used in heavy industrial environments
Technical Specification
| Item | Description |
|---|---|
| Product Name | Adapter Sleeve / Locking Sleeve |
| Series | H311 – H317 |
| Material | High quality carbon steel |
| Standard | ISO 2982 (bearing accessories standard) |
| Taper | 1:12 standard taper |
| Accessories | KM lock nut + MB locking washer |
| Application | Shaft mounting of tapered bore bearings |
| Surface Finish | Anti-rust oil / phosphated (optional) |
Size & Model Table (H300 Series Focus)
| Model | Shaft Diameter (mm) | Inner Bore (mm) | Outer Diameter (mm) | Compatible Bearing |
|---|---|---|---|---|
| H311 | 55 | 50 | 75 | 22211 / 1311 series |
| H312 | 60 | 55 | 80 | 22212 / 1312 series |
| H313 | 65 | 60 | 85 | 22213 / 1313 series |
| H314 | 70 | 60 | 92 | 22214 / 1314 series |
| H315 | 75 | 65 | 98 | 22215 / 1315 series |
| H316 | 80 | 70 | 105 | 22216 / 1316 series |
| H317 | 85 | 75 | 110 | 22217 / 1317 series |
Application Industries
Mining machinery
Steel production equipment
Conveyor and transport systems
Cement and construction machinery
Paper industry equipment
Agricultural machinery
Industrial gearboxes
Pump and compressor systems
Installation Method
Clean shaft and bearing bore
Slide adapter sleeve onto shaft
Mount bearing onto sleeve
Tighten lock nut gradually
Adjust bearing clearance
Secure locking washer
FAQ
Q1: What is H311–H317 adapter sleeve used for?
It is used to mount spherical roller bearings with tapered bore onto cylindrical shafts.
Q2: What bearings are compatible?
Mainly spherical roller bearings such as 22211–22217 series.
Q3: Can this sleeve be reused?
Yes, if the thread and taper are not damaged.
Q4: Do I need machining on the shaft?
No machining is required. It works on standard cylindrical shafts.
Q5: What is the taper ratio?
Standard 1:12 taper design for secure locking.
Q6: Do you supply lock nuts together?
Yes, typically supplied with KM lock nut and MB washer (or optional packaging).
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