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Double-Row Standard BearingsAircraft BearingsDouble Seal

DSP5FS464

d 7.938 × D 31.75 × B 20.625 mm

The DSP5FS464 is an aircraft bearing with bore 7.938mm, outer diameter 31.75mm, and width 20.625mm.

Original catalog dimensions: 0.31 × 1.25 × 0.812 in. Metric values are converted using 25.4 mm/in.

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DSP5FS464 — representative product photo
Representative product
DSP5FS464 · 7.938x31.75x20.625 mm

📋 Technical Specifications

Bore (d)
7.938mm
Outer Dia. (D)
31.75mm
Width (B)
20.625mm
Radial Limit Load
3,740 lbf(16.64 kN)
Axial Limit Load
600 lbf(2.67 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 3,740 lbf with the inner ring rotating and 3,300 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
SeriesDouble-Row Standard Bearings
Standard referenceMS27643-5 (MS27643 self-aligning double-row series) — dimensional reference
Seal typeDouble Seal
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeRound
Original catalog dimensions0.31 × 1.25 × 0.812 in
Dimension unitmillimeter (mm) display; original catalog dimensions in inch

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)7.938
Outer diameter (D)31.75
Width (B)20.625

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

📑 Drawings & 3D Model

DSP5FS464 bearing dimension drawing, 7.938 x 31.75 x 20.625 mm
DSP5FS464 dimension drawing: bore d 7.938 mm × outer diameter D 31.75 mm × inner-ring width B 20.625 mm; outer-ring width C 16.66 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

Standard reference: MS27643-5. This size corresponds to the boundary dimensions of the MS27643 self-aligning double-row series. NLHB supplies it for industrial use; it is not supplied as an airworthiness-certified aerospace part.

The models below share the 7.938x31.75x20.625 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
DSP5FS428Same boundary dimensions — verify fit/loadDouble-Row Standard BearingsDouble SealQuote →
DSRP5FS428Same boundary dimensions — verify fit/loadDouble-Row Standard BearingsSealed with CapQuote →
DSRP5FS464Same boundary dimensions — verify fit/loadDouble-Row Standard BearingsSealed with CapQuote →
GDSRP5FS428Same boundary dimensions — verify fit/loadDouble-Row Standard BearingsSealed with CapQuote →

⚙ 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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Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of DSP5FS464?
The DSP5FS464 bearing has bore (d) = 7.938 mm, outer diameter (D) = 31.75 mm, and width (B) = 20.625 mm.
Is there a DSP5FS464 drawing or CAD file?
Yes. The DSP5FS464 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 DSP5FS464?
Reference values for the DSP5FS464 size series from the standard airframe-control bearing catalog: radial limit load 3,740 lbf (16.64 kN), axial limit load 600 lbf (2.67 kN); dynamic radial rating 3,740 lbf with the inner ring rotating and 3,300 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 DSP5FS464 belong to?
The DSP5FS464 belongs to the Double-Row Standard Bearings within the Aircraft Bearings category.
Can NLHB supply DSP5FS464 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 DSP5FS464 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 DSP5FS464?
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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