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RadialsAircraft BearingsDouble Sealed

KP37BFS428

d 58.75 × D 77.788 × B 11.1 mm

The KP37BFS428 is an aircraft bearing with bore 58.75mm, outer diameter 77.788mm, and width 11.1mm.

Original catalog dimensions: 2.31 × 3.06 × 0.437 in. Metric values are converted using 25.4 mm/in.

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KP37BFS428 — representative product photo
Representative product
KP37BFS428 · 58.75x77.788x11.1 mm

📋 Technical Specifications

Bore (d)
58.75mm
Outer Dia. (D)
77.788mm
Width (B)
11.1mm
Radial Limit Load
15,800 lbf(70.28 kN)
Axial Limit Load
7,000 lbf(31.14 kN)
Reference Speed
500rpm
Load ratings basisReference values from the standard airframe-control bearing catalog for this size series: static radial and axial limit loads above; dynamic radial rating 4,880 lbf with the inner ring rotating and 4,690 lbf with the outer ring rotating, based on 10,000 complete 90° oscillation cycles. Ratings for your order are confirmed against drawing and application.
Bearing typeAircraft Bearings
SeriesRadials
Seal typeDouble Sealed
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeRound
Original catalog dimensions2.31 × 3.06 × 0.437 in
Dimension unitmillimeter (mm) display; original catalog dimensions in inch

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)58.75
Outer diameter (D)77.788
Width (B)11.1

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

📑 Drawings & 3D Model

KP37BFS428 bearing dimension drawing, 58.75 x 77.788 x 11.1 mm
KP37BFS428 dimension drawing: bore d 58.75 mm × outer diameter D 77.788 mm × inner-ring width B 11.1 mm; outer-ring width C 9.525 mm. Internal design is shown schematically.
📑
2D Drawing (PDF)
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📐
2D DXF File
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📅
3D STEP Model
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The PDF drawing is free to download. DXF and 3D STEP files are sent on request: tell us the model and your application, and we reply with the CAD files.

⚡ Source-Data Reference Speed

Catalog reference
500 rpm

Lubrication method and application speed limit are confirmed per inquiry; no oil-speed value is derived from this number.

⇄ Same-size Bearings & Reference Options

The models below share the 58.75x77.788x11.1 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.

ModelRelationshipSeriesSealAction
KP37BFS464Same boundary dimensions — verify fit/loadRadialsDouble SealedQuote →

⚙ 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.

About NLHB →
4,300+
Models
15+
Years
RFQ
Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of KP37BFS428?
The KP37BFS428 bearing has bore (d) = 58.75 mm, outer diameter (D) = 77.788 mm, and width (B) = 11.1 mm.
Is there a KP37BFS428 drawing or CAD file?
Yes. The KP37BFS428 dimension drawing (PDF) is free to download on this page. DXF and 3D STEP files are sent on request: tell us the model and your application.
What is the load rating of KP37BFS428?
Reference values for the KP37BFS428 size series from the standard airframe-control bearing catalog: radial limit load 15,800 lbf (70.28 kN), axial limit load 7,000 lbf (31.14 kN); dynamic radial rating 4,880 lbf with the inner ring rotating and 4,690 lbf with the outer ring rotating (10,000 complete 90° oscillation cycles). Ratings for your order are confirmed against drawing and application.
What bearing series does KP37BFS428 belong to?
The KP37BFS428 belongs to the Radials within the Aircraft Bearings category.
Can NLHB supply KP37BFS428 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 KP37BFS428 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 KP37BFS428?
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.

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