Step-Up Gearbox

Assembly

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Three-stage gearbox, one planetary plus two helical stages, raising rotor speed by roughly 100:1.

Direct parts	10
Total parts	23
Used in	1 assembly
Class	Assembly
Status	unverified

Three-stage gearbox, one planetary plus two helical stages, raising rotor speed by roughly 100:1. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Step-Up Gearbox parts and their functions

10 top-level parts · 23 parts in total · full bill of materials below

Step-Up Gearbox parts diagram: 1 gearbox housing, 2 planet carrier, 3 ring gear, 4 helical gear pair, 5 high-speed shaft, 6 ball bearing, 7 oil seal, 8 o-ring set, 9 gearbox oil filter, 10 fastener set. 23 parts in 10 top-level items. — Step-Up Gearbox 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	Gearbox Housing	1×	Cast iron housing splitting axially for assembly
2	Planet Carrier	1×	Planet carrier holding three planet gears around the sun gear
3	Ring Gear	1×	Internal ring gear fixed to the housing for the planetary stage
4	Helical Gear Pair	5×	Sun-planet meshes of the planetary first stage
5	High-Speed Shaft	1×	High-speed output shaft turning at 1000-1800 rpm
6	Ball Bearing	8×	Tapered and cylindrical bearings supporting the gear shafts
7	Oil Seal	3×	Rotary seals on input and output shafts
8	O-Ring Set	1×	Static seals on the housing split line
9	Gearbox Oil Filter	1×	Inline filter protecting the gear meshes
10	Fastener Set	1×	Bolts clamping the housing halves

3D model

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Build & assembly graph

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Bill of materials for Step-Up Gearbox

10 top-level lines · 10 rows shown · 23 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Gearbox Housing	gearbox-housing	1×	1	·	part
2	Planet Carrier	wind-turbine-nacelle-planet-carrier	1×	1	·	part
3	Ring Gear	wind-turbine-nacelle-ring-gear	1×	1	·	part
4	Helical Gear Pair	gear-pair	5×	5	·	part
5	High-Speed Shaft	wind-turbine-nacelle-hs-shaft	1×	1	·	part
6	Ball Bearing	ball-bearing	8×	8	·	part
7	Oil Seal	oil-seal	3×	3	·	part
8	O-Ring Set	oring-set	1×	1	·	part
9	Gearbox Oil Filter	wind-turbine-nacelle-oil-filter	1×	1	·	part
10	Fastener Set	fastener-set	1×	1	·	part

Where the step-up gearbox is used

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

Renewable Energy 2 Wind Turbine Nacelle, Wind Turbine

Used in 1 assembly

Wind Turbine Nacelle

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 $1–$300. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Sona Comstar sonacomstar.com ↗	Gurugram, IN	EV driveline & motors	1,000 pcs	8–12 wks
🇨🇳Zhejiang Shuanghuan shdrive.cn ↗	Yuhuan, CN	Gears & driveline	1,000 pcs	8–12 wks
🇮🇳Bharat Gears bharatgears.com ↗	Mumbai, IN	Automotive gears	1,000 pcs	8–12 wks
🇮🇳ZF India zf.com ↗	Pune, IN	Driveline & chassis	1,000 pcs	8–12 wks
🇨🇳Hangzhou Advance advancegroup.cn ↗	Hangzhou, CN	Gearboxes	1,000 pcs	8–12 wks