Inch R / 1600 SeriesDeep Groove Ball Bearings

R4A

d 6.35 × D 19.05 × B 5.556 mm

The R4A is a deep groove ball bearing with bore 6.35mm, outer diameter 19.05mm, and width 5.556mm rated for dynamic load 2.2 kN.

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R4A — representative product photo — Representative product

R4A · 6.35x19.05x5.556 mm

📋 Technical Specifications

Bore (d)

6.35mm

Outer Dia. (D)

19.05mm

Width (B)

5.556mm

Dynamic Load (Cr)

2.18 kN(2180 N)

Static Load (C0r)

1.16 kN(1160 N)

Reference Speed

Confirm per inquiryrpm

Bearing type	Deep Groove Ball Bearings
Series	Inch R / 1600 Series
Seal type	Confirm per inquiry
Material	Confirmed per inquiry — grade and certificate availability reviewed before quotation
Bore type	Confirmed per drawing
Dimension unit	millimeter (mm)

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)	6.35
Outer diameter (D)	19.05
Width (B)	5.556

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 6.35x19.05x5.556 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.

🔄 Related Models

Same bearing family or similar dimensions.

Same model family — dimensions may differSimilar size — reference only, verify all interfaces

⚙ Typical Applications

Electric motors

Fans and blowers

Pumps

Household appliances

Power tools

Office equipment

General 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.

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4,315

Catalog Models

15+

Years

RFQ

Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of R4A?

The R4A bearing has bore (d) = 6.35 mm, outer diameter (D) = 19.05 mm, and width (B) = 5.556 mm.

What is the load rating of R4A?

Dynamic load rating (Cr) = 2.18 kN (2180 N), static load rating (C0r) = 1.16 kN.

What bearing series does R4A belong to?

The R4A belongs to the Inch R / 1600 Series within the Deep Groove Ball Bearings category.

Can NLHB supply R4A 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 R4A 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 R4A?

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 R4A

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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R4A