Ціни на сталь · Лондонська біржа металів
Questions & Answers
Carbon structural steels: 55, 50, 45, 40, 35, 30, 25, 20, 15, 10, 08, St6, St5, St4, St2, St1, St0, St3sp, St3ps, St3kp.
Alloy structural steels: 20KhGR, 35KhGSA, 30KhGSA, 25KhGT, 18KhGT, 12KhN3A, 40KhN2MA, 40KhN, 38KhN3MA, 30KhN2M, 20KhN3A, 20KhN, 45Kh, 40Kh, 35Kh, 30Kh, 20Kh, 15Kh.
Bushing standards as components:
GOST 24837-81 — Split bushings;
GOST 24836-81 — Tapered bushings;
GOST 24835-81 — Adapter bushings;
GOST 24834-81 — Flanged bushings;
GOST 24833-81 — Cylindrical bushings.
Tolerance, fit, and accuracy standards:
GOST 2789-73 — Surface roughness;
GOST 3325-85 — Bearing fits;
GOST 25347-82 — Tolerance fields;
GOST 25346-89 — Fit and tolerance system.
Bushing material standards:
GOST 19281-2014 — Low-alloy steels;
GOST 5632-2014 — Stainless steels;
GOST 1050-2013 — Carbon structural steels.
International standards:
DIN 1850 — Metal bushings;
DIN 1494 — Bearing bushings;
ISO 286 — System of fits and tolerances;
ISO 4378 — Designations of plain bearings;
ISO 3547 — Plain bearing bushings.
For bushings 100 mm long
| External D, mm | Inner diameter, mm | Weight, kg |
| 30 | 20 | 0,37 |
| 40 | 20 | 0,75 |
| 40 | 30 | 0,43 |
| 50 | 30 | 1,0 |
| 50 | 40 | 0,69 |
| 60 | 40 | 1,32 |
| 60 | 50 | 0,86 |
| 80 | 50 | 2,32 |
| 80 | 60 | 1,51 |
| 100 | 60 | 3,95 |
| 100 | 80 | 2,83 |
For bushings 200 mm long
| External D, mm | Inner diameter, mm | Weight, kg |
| 40 | 20 | 1,51 |
| 50 | 30 | 2,0 |
| 60 | 40 | 2,64 |
| 80 | 50 | 4,64 |
| 100 | 60 | 7,9 |