Bearing Bush
Bored, often flanged precision sleeve bush for shaft bearing.
This is a dimension schematic, not a manufacturing drawing. Dimensions match the catalog data; request a quote with the part code to confirm before production.
Code & Size Table
Code, dimensions and tolerance for all 8 variants.
| Code | Diameter (mm) | Length (mm) | Feature | Tolerance | Std |
|---|---|---|---|---|---|
| OTOA-BSH-08 | 8 | 12 | ⌀5 | H7 · ⌀5: +0.012/0 | inside dia ⌀5 H7 |
| OTOA-BSH-10 | 10 | 14 | ⌀6 | H7 · ⌀6: +0.012/0 | inside dia ⌀6 H7 |
| OTOA-BSH-12 | 12 | 16 | ⌀8 | H7 · ⌀8: +0.015/0 | inside dia ⌀8 H7 |
| OTOA-BSH-14 | 14 | 18 | ⌀10 | H7 · ⌀10: +0.015/0 | inside dia ⌀10 H7 |
| OTOA-BSH-12F | 16 | 20 | ⌀8 · 2 steps | H7 · ⌀8: +0.015/0 | flanged bush, bore ⌀8 |
| OTOA-BSH-16 | 16 | 20 | ⌀12 | H7 · ⌀12: +0.018/0 | inside dia ⌀12 H7 |
| OTOA-BSH-18 | 18 | 22 | ⌀14 | H7 · ⌀14: +0.018/0 | inside dia ⌀14 H7 |
| OTOA-BSH-20 | 20 | 25 | ⌀15 | H7 · ⌀15: +0.018/0 | inside dia ⌀15 H7 |
Prices are for approved members.
Material & Tolerance
The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. Deviations (mm) are given for the nominal diameter according to the ISO 286-2 tables; thread tolerances (6g/6H) are to ISO 965. For custom sizes/tolerances, contact us with the part code.
Manufacturing Scope
Bearing Bush is a Automotive Precision Parts family precision-turned on a Goodway SW-20, covering 8 variants — diameters ⌀8–20 mm, lengths 12–25 mm, standard material Brass (also steel, stainless steel or aluminium). Every variant's part code, dimension and tolerance is listed below; request a quote with the code you need.
The family is machined from ⌀20 mm bar stock; its longest variant is OTOA-BSH-20 at 25 mm. The family is produced by turning alone. Bores in this family run ⌀5–15 mm. All of it is completed in a single setup, without the part leaving the machine.
The variant with the highest length-to-diameter ratio is OTOA-BSH-08: 12 mm long at ⌀8 mm, L/D 1.5. A short, rigid body: what governs the result here is not deflection but diameter tolerance and surface finish.
Variants are machined to H7 tolerance; the smallest is OTOA-BSH-08 (⌀8 mm) and the largest OTOA-BSH-20 (⌀20 mm). The family includes bored, multi-step variants. Custom sizes, tolerances or materials are produced to the part code on request.
Need a size that isn't listed? We machine to your drawing — CNC contract machining. How these parts are made: What is a Swiss-type lathe?
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