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[China]
Trade Verify
Address: A1-3-1, Xinrui Zone, No. 25-1-3, Keyuan 1st Street, Jiulongpo District, Chongqing
Contact name:Wei Dong
Chongqing Hengtairail Equipment Co.,Ltd. |
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Verified Suppliers
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Railway Casting Parts AAR Standard Truck Components Adapter
Product overview
We not only supply AAR standard adapter products but also could manufacture the types of roller bearing adapters according to customer drawing. Material forged, cast, machining and heat treatment is to individual customer specifications with the superior quality you're looking for.
Product specification
| S.No. | Item | Value |
| 1 | Type | adapter |
| 2 | Application | railway freight car, railway wagon |
| 3 | Standard | TB/T 3267-2011, AAR M-924 |
| 4 | Size | 336 х 266 х 147 mm (LхWхH) |
| 5 | Material | Carbon steel ZG230-450 |
| 6 | Hardness | ≥121HBW |
| 7 | Heat treatment | conform to GB/T 11352 |
| 8 | Surface quality | Crack free |
Material
| Material | C | Mn | P | S | Si | T.S. (N/mm2) | Y.S. (N/mm2) | El δ % | R.A ψ% |
| ZG230-450 | ≤ 0.30 | ≤ 1.20 | ≤ 0.04 | ≤ 0.04 | ≤ 0.50 | 450 | 230 | 22 | 32 |
Technical parameters
| No. | Axle load/T | Adapting Surface Annulus Diameter mm | Innersider Distance of Thrust Guard Shoulder mm | Height of Thrust Guard Shoulder
mm | Deep Difference Between Depth of Pedestal mm | Thick Difference Between Roof mm |
| 1 | 21 | φ230 | 153 | 10 | ≤3 | ≤0.3 |
| 2 | 25 | φ250 | 163 | 10 | ≤3 | ≤0.3 |
| 3 | 30 | φ270 | 173 | 10 | ≤3 | ≤0.3 |
Product Type
| Type of standard AAR adapter | ||||
| Class | Size(in.) | Item No. | Material | Production method |
| C | 5*9 | 5 x 9N | ASTN A220 Grade 5005 | Casting |
| 5 x 9NC | ||||
| 5 x 9NT | ||||
| 5 x 9NCT | ||||
| D | 5 1/2*10 | 5 1/2 x10N | ASTM A148 Grade 40-80 | |
| 5 1/2 x10NC | ||||
| 5 1/2 x10NT | ||||
| 5 1/2 x10NCT | ||||
| E | 6*11 | 6x11N | ASTM A536 Grade 80-55-06 | |
| 6x11NC | ||||
| 6x11NT | ||||
| 6x11NCT | ||||
| F | 6 1/2*12 | 6 1/2 x12N | ASTM A236 Grade c | Forging |
| 6 1/2 x12NC | ||||
| 6 1/2 x12NT | ||||
| 6 1/2 x12NCT | ||||
| K | 6 1/2*9 | 6 1/2x9N | AAR M126 Grade c | |
| 6 1/2x9NC | ||||
| 6 1/2x9NT | ||||
| 6 1/2x9NCT | ||||
| G | 7*12 | 7x12N | ||
| 7x12NC | ||||
| 7x12NT | ||||
| 7x12NCT | ||||
| Note | ||||
| N narrow type | ||||
| C The top surface of circular arc quenching | ||||
| T Thrust stop shoulder surface hardening | ||||
| CT The top surface of circular arc and thrust stop shoulder surface hardening | ||||
Product Structure
Product Application
Product test
