RadialsAircraft Bearings

9311K

d 55.118 × D 80.01 × B 13 mm

The 9311K is an aircraft bearing with bore 55.118mm, outer diameter 80.01mm, and width 13mm.

Original RBC catalog dimensions: 2.17 × 3.15 × 0.5118 in. Metric values are converted using 25.4 mm/in.

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9311K — representative product photo — Representative product

9311K · 55.118x80.01x13 mm

📋 Technical Specifications

Bore (d)

55.118mm

Outer Dia. (D)

80.01mm

Width (B)

13mm

Dynamic Load (Cr)

Confirm per inquiry(— N)

Static Load (C0r)

Confirm per inquiry(— N)

Reference Speed

Confirm per inquiryrpm

Bearing type	Aircraft Bearings
Series	Radials
Seal type	Open
Material	Confirmed per inquiry — grade and certificate availability reviewed before quotation
Bore type	Round
Original catalog dimensions	2.17 × 3.15 × 0.5118 in
Dimension unit	millimeter (mm) display; RBC source in inch

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)	55.118
Outer diameter (D)	80.01
Width (B)	13

Corner radius, shoulder dimensions, fits and tolerances are confirmed against the requested suffix and application drawing before quotation.

📑 Drawings & 3D Model

📑

2D Drawing

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📅

3D STEP Model

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🔎

CAD File

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Drawings and 3D models are provided per inquiry. Tell us your application and we will send the appropriate file format (DXF, DWG, STEP, IGES).

⇄ Same-size Bearings & Reference Options

The models below share the 55.118x80.01x13 mm boundary dimensions. Matching d/D/B alone does not prove interchangeability; verify seals, clearance, ring features, load ratings, fits, and application conditions before replacement.

No other catalog models share the same boundary dimensions.

⚙ Typical Applications

Aircraft landing gear

Flight control systems

Aerospace mechanisms

Jet engine accessories

Helicopter components

Why choose NLHB?

NLHB supports both in-house manufacturing and qualified partner sourcing. We confirm the specification, supply route, inspection requirements, and available documentation before quotation.

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❓ Frequently Asked Questions

What are the dimensions of 9311K?

The 9311K bearing has bore (d) = 55.118 mm, outer diameter (D) = 80.01 mm, and width (B) = 13 mm.

What is the load rating of 9311K?

Load rating data is being updated. Please request a quote for current specifications.

What bearing series does 9311K belong to?

The 9311K belongs to the Radials within the Aircraft Bearings category.

Can NLHB supply 9311K equivalents from other brands?

Depending on the model and order requirements, NLHB may manufacture in-house or source through qualified partner factories. Interchange and supply route are confirmed against your specification before quotation. All trademarks belong to their respective owners.

How do I order 9311K from NLHB?

Click "Request Quote" and send us your quantity, application, and required specifications. We review the specification, supply route, lead time, and pricing before issuing a quotation. Response time depends on specification complexity.

What materials are available for 9311K?

Material grade is confirmed per inquiry. Availability depends on the model, quantity, application, and whether the order is manufactured in-house or sourced through a qualified partner factory. Material certificates or inspection documents are confirmed before quotation when required.

Get a quote for 9311K

Send us your quantity, application and target lead time. We confirm spec, interchange and realistic delivery — no order confirmed until you approve.

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