Lower Bearing Assembly

Assembly

Deep Groove Ball Bearing.jpg · Commons ↗ Report photo

Roller bearing assembly mounted at rudder head level, supporting high loads from rudder hydrodynamic forces.

Direct parts	4
Total parts	5
Used in	1 assembly
Class	Assembly

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Roller bearing assembly mounted at rudder head level, supporting high loads from rudder hydrodynamic forces. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Lower Bearing Assembly parts and their functions

4 top-level parts · 5 parts in total · full bill of materials below

Lower Bearing Assembly parts diagram: 1 lower bearing block, 2 ball bearing, 3 lower bearing seal, 4 fastener set. 5 parts in 4 top-level items. — Lower Bearing Assembly 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	Lower Bearing Block	1×	Ductile iron bearing block 150–250 mm bore
2	Ball Bearing	2×	Cylindrical roller bearing 30205/30206 series for radial loads
3	Lower Bearing Seal	1×	Double lip radial seal preventing water ingress
4	Fastener Set	1×	M12–M16 bolts for bearing block attachment to rudder head

3D model

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Build & assembly graph

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Bill of materials for Lower Bearing Assembly

4 top-level lines · 4 rows shown · 5 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Lower Bearing Block	rudder-stock-assembly-lower-bearing-housing	1×	1	·	part
2	Ball Bearing	ball-bearing	2×	2	·	part
3	Lower Bearing Seal	rudder-stock-assembly-lower-bearing-seal	1×	1	·	part
4	Fastener Set	fastener-set	1×	1	·	part

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Where the lower bearing assembly is used

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

Marine 1 Rudder Stock Assembly

Used in 1 assembly

Rudder Stock Assembly

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 $0.50–$80. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳ZWZ Bearing zwz.com.cn ↗	Wafangdian, CN	Bearings	2,000 pcs	6–10 wks
🇮🇳NBC Bearings nbcbearings.com ↗	Jaipur, IN	Bearings (NEI)	2,000 pcs	6–10 wks
🇨🇳HRB Bearing hrbbearing.com ↗	Harbin, CN	Bearings	2,000 pcs	6–10 wks
🇮🇳NRB Bearings nrbbearings.com ↗	Mumbai, IN	Needle & auto bearings	2,000 pcs	6–10 wks
🇨🇳LYC Bearing lyc.com.cn ↗	Luoyang, CN	Bearings	2,000 pcs	6–10 wks