NLHB BEARINGS
Request Quote
Home/Products/3800/3804
3800Double-Row Angular Contact Ball Bearings

3804

d 20 × D 32 × B 10 mm

The 3804 is a double-row angular contact ball bearing with bore 20mm, outer diameter 32mm, and width 10mm rated for dynamic load 4.9 kN.

Request Quote for 3804Search Similar
3804 — representative product photo
Representative product
3804 · 20x32x10 mm

📋 Technical Specifications

Bore (d)
20mm
Outer Dia. (D)
32mm
Width (B)
10mm
Dynamic Load (Cr)
4.90 kN(4900 N)
Static Load (C0r)
3.90 kN(3900 N)
Reference Speed
13000rpm
Bearing typeDouble-Row Angular Contact Ball Bearings
Series3800
Seal type2RS (rubber seals) or ZZ (metal shields)
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

📋 Nominal Variants by Seal Type

Catalog variants open a detail page. Inquiry-only configurations go directly to RFQ.

Seal TypeModel CodeTypical Use
Double metal shields3804 ZZ (inquiry only)General dust protectionQuote →
Double contact rubber seals3804 2RS (inquiry only)Dust and moisture protection at moderate speedQuote →
Double non-contact rubber seals3804 2RZ (inquiry only)Lower-friction sealing at higher speedQuote →
C3 radial clearance3804 C3 (inquiry only)Motors and applications with higher operating temperatureQuote →

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)20
Outer diameter (D)32
Width (B)10

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

📑 Drawings & 3D Model

3804 bearing dimension drawing, 20 x 32 x 10 mm
3804 dimension drawing: bore d 20 mm × outer diameter D 32 mm × width B 10 mm. Tolerance class ABEC-1 (P0). Internal design is shown schematically. Supplied sealed: 2RS (rubber seals) or ZZ (metal shields).
📑
2D Drawing (PDF)
Download PDF →
📐
2D DXF File
Request DXF →
📅
3D STEP Model
Request STEP →

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
13,000 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 20x32x10 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
F63804Different outer-ring featureStandard Flanged BearingsShieldedQuote →
F63804ZZDifferent outer-ring featureF63804ShieldedQuote →
SF63804Same boundary dimensions — verify fit/loadF63804OpenQuote →
SF63804ZZSame boundary dimensions — verify fit/loadF63804ShieldedQuote →

⚙ Typical Applications

Pumps
Compressors
Gearboxes
Automotive wheels
Material handling
Textile machinery

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 3804?
The 3804 bearing has bore (d) = 20 mm, outer diameter (D) = 32 mm, and width (B) = 10 mm.
Is there a 3804 drawing or CAD file?
Yes. The 3804 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 3804?
Dynamic load rating (Cr) = 4.90 kN (4900 N), static load rating (C0r) = 3.90 kN.
What tolerance class is the 3804?
The standard tolerance class of the 3804 is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does 3804 belong to?
The 3804 belongs to the 3800 within the Double-Row Angular Contact Ball Bearings category.
Can NLHB supply 3804 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 3804 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 3804?
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 3804

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

Request Quote →
Inquiry List 0

Your Inquiry List

Submit All as Quote →