R SeriesDeep Groove Ball BearingsShielded

R20ZZ

d 31.75 × D 57.15 × B 12.7 mm

The R20ZZ is a deep groove ball bearing with bore 31.75mm, outer diameter 57.15mm, and width 12.7mm rated for dynamic load 16.4 kN.

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R20ZZ · 31.75x57.15x12.7 mm

📋 Technical Specifications

Bore (d)

31.75mm

Outer Dia. (D)

57.15mm

Width (B)

12.7mm

Dynamic Load (Cr)

16.44 kN(16436.179 N)

Static Load (C0r)

8.83 kN(8834.168 N)

Reference Speed

Confirm per inquiryrpm

Bearing type	Deep Groove Ball Bearings
Series	R Series
Seal type	Shielded
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)	31.75
Outer diameter (D)	57.15
Width (B)	12.7

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 31.75x57.15x12.7 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.

Model	Relationship	Series	Seal	Action
KP20AFS428	Same boundary dimensions — verify fit/load	Radials	Double Sealed	Quote →
KP20AFS464	Same boundary dimensions — verify fit/load	Radials	Double Sealed	Quote →
MKP20AFS428	Same boundary dimensions — verify fit/load	Double-Row Precision Bearings	Double Sealed	Quote →
MKP20AFS464	Same boundary dimensions — verify fit/load	Double-Row Precision Bearings	Double Sealed	Quote →
R20-2RS	Configuration variant	R Series	Sealed	Quote →

⚙ 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.

About NLHB →

4,315

Catalog Models

15+

Years

RFQ

Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of R20ZZ?

The R20ZZ bearing has bore (d) = 31.75 mm, outer diameter (D) = 57.15 mm, and width (B) = 12.7 mm.

What is the load rating of R20ZZ?

Dynamic load rating (Cr) = 16.44 kN (16436.179 N), static load rating (C0r) = 8.83 kN.

What bearing series does R20ZZ belong to?

The R20ZZ belongs to the R Series within the Deep Groove Ball Bearings category.

Can NLHB supply R20ZZ 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 R20ZZ 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 R20ZZ?

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 R20ZZ

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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