Primary suspension

Assembly

Coil spring bogie suspension, UK (AMCP 706-355).png · Commons ↗ Report photo

The first suspension stage between each axlebox and the frame, using coil springs and rubber chevrons to filter track irregularities and allow the wheelset to steer.

Direct parts	6
Total parts	10
Used in	1 assembly
Class	Assembly

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The first suspension stage between each axlebox and the frame, using coil springs and rubber chevrons to filter track irregularities and allow the wheelset to steer. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Primary suspension parts and their functions

6 top-level parts · 10 parts in total · full bill of materials below

Primary suspension parts diagram: 1 coil spring, 2 rubber chevron, 3 primary damper, 4 axlebox guide, 5 spring cap, 6 fastener set. 10 parts in 6 top-level items. — Primary suspension parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Coil Spring	2×	Primary coil springs
2	Rubber chevron	2×	Rubber-metal stack
3	Primary damper	1×	Vertical damper
4	Axlebox guide	2×	Frame guide liners
5	Spring cap	2×	Spring seats
6	Fastener Set	1×	Mount hardware

3D model

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Build & assembly graph

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Bill of materials for Primary suspension

6 top-level lines · 6 rows shown · 10 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Coil Spring	coil-spring	2×	2	·	part
2	Rubber chevron	bg-rubber-chevron	2×	2	·	part
3	Primary damper	bg-primary-damper	1×	1	·	part
4	Axlebox guide	bg-axlebox-guide	2×	2	·	part
5	Spring cap	bg-spring-cap	2×	2	·	part
6	Fastener Set	fastener-set	1×	1	·	part

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Where the primary suspension is used

7 products across 1 domain contain it, directly or inside a sub-assembly

Rail & Transit 7 Railway Bogie, Catenary Maintenance Vehicle, Double-Deck Coach, Light Rail Vehicle, Rail Grinding Machine, Shunting Locomotive, Snow Clearing Train (Rotary Plow)

Used in 1 assembly

Railway Bogie

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.10–$20. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Gabriel India gabrielindia.com ↗	Pune, IN	Shock absorbers & dampers	2,000 pcs	5–8 wks
🇮🇳Jamna Auto jaiparabolic.com ↗	Yamunanagar, IN	Leaf & parabolic springs	2,000 pcs	5–8 wks
🇮🇳Munjal Showa munjalshowa.net ↗	Gurugram, IN	Shock absorbers & struts	2,000 pcs	5–8 wks
🇨🇳Chongqing Sokon sokonindustry.com ↗	Chongqing, CN	Springs & auto parts	2,000 pcs	5–8 wks
🇮🇳NRB Bearings nrbbearings.com ↗	Mumbai, IN	Needle & auto bearings	2,000 pcs	5–8 wks