| Common Standards & Designations | ||
| Standard | Title / Scope | Applicable Alloys |
| ASTM B505 | Standard Specification for Copper-Base Alloy Continuous Castings | C90300, C90500, C90700, C93200, C95400, C95500 |
| ASTM B438 | Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated) | SAE 841, SAE 840, CT-1000-K26 |
| ASTM B139/B139M | Standard Specification for Phosphor Bronze Rod, Bar, and Shapes | C51000, C52100, C52400, C54400 |
| ISO 3547-1 | Plain Bearings – Wrapped Bushings – Dimensions | CuSn8 bronze |
| ISO 9448-6 | Tools for Moulding – Guide Bushings | Bronze guide bearings |
| SAE J461 / J463 | Wrought and Cast Copper Alloys | SAE 660 (C93200), SAE 841, SAE 840 |
| Dimensional Tolerances Guide | |||
| Dimension | Tolerance Class | Typical Range | Notes |
| Bore Diameter (ID) | H7, H8, F7, E7 | ±0.010 to ±0.050 mm | High-precision: ISO H7/H8; General: ISO H9/H10 |
| Outside Diameter (OD) | m6, r6, n6, p6 | ±0.010 to ±0.050 mm | Interference fit for press fitting |
| Length (L) | General | ±0.1 to ±0.5 mm | Aspect ratio recommended ≤2.5 |
| Flange Diameter | General | +0.5/-0.8 to +2/-0.8 mm | Varies by bore size |
| Flange Thickness | General | +0.05/-0.20 to +0.10/-0.20 mm | Precision ground |
| Straightness / Roundness | ISO 3547-2 | Per standard checking values | / |
| Dimensional Specifications | ||||
| Parameter | SAE 660 / C93200 | Phosphor Bronze | Sintered Bronze (SAE 841) | Precision Bushing |
| Bore Diameter (ID) | 3 – 500 mm (0.125 – 20 in) | 3 – 300 mm | 1.5 – 100 mm (0.0625 – 4 in) | 5 – 30 mm |
| Outside Diameter (OD) | 5 – 550 mm | 5 – 350 mm | 3 – 120 mm | 7 – 50 mm |
| Length (L) | 5 – 300 mm | 5 – 300 mm | 3 – 60 mm | 10 – 50 mm |
| Wall Thickness | 1 – 30 mm | 1 – 25 mm | 0.5 – 10 mm | 1 – 10 mm |
| Max Length | 1200 mm | 1200 mm | 120 mm | 60 mm |
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