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MR Miniature SeriesDeep Groove Ball Bearings

R156ZZS

d 4.762 × D 7.938 × B 3.175 mm

The R156ZZS is a deep groove ball bearing with bore 4.762mm, outer diameter 7.938mm, and width 3.175mm rated for dynamic load 0.4 kN.

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R156ZZS — representative product photo
Representative product
R156ZZS · 4.762x7.938x3.175 mm

📋 Technical Specifications

Bore (d)
4.762mm
Outer Dia. (D)
7.938mm
Width (B)
3.175mm
Dynamic Load (Cr)
0.40 kN(395 N)
Static Load (C0r)
0.15 kN(149 N)
Reference Speed
53000rpm
Bearing typeDeep Groove Ball Bearings
SeriesMR Miniature Series
Seal typeConfirm per inquiry
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeConfirmed per drawing
Dimension unitmillimeter (mm)

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)4.762
Outer diameter (D)7.938
Width (B)3.175

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

📑 Drawings & 3D Model

R156ZZS bearing dimension drawing, 4.762 x 7.938 x 3.175 mm
R156ZZS dimension drawing: bore d 4.762 mm × outer diameter D 7.938 mm × width B 3.175 mm. Tolerance class ABEC-1 (P0). 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
53,000 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 4.762x7.938x3.175 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
FR156 2rsSame boundary dimensions — verify fit/loadFR156SealedQuote →
FR156zzSame boundary dimensions — verify fit/loadFR156ShieldedQuote →
FR156ZZSSame boundary dimensions — verify fit/loadMR Miniature SeriesOpenQuote →
R156 2rsSame boundary dimensions — verify fit/loadInch R SeriesSealedQuote →
R156 ZZSame boundary dimensions — verify fit/loadInch R / 1600 SeriesMetal ShieldsQuote →
RW156zzSame boundary dimensions — verify fit/loadInch RW SeriesShieldedQuote →

🔄 Related Models

Same bearing family or similar dimensions.

Similar size — reference only, verify all interfaces
R156
4.762x7.938x2.779 mm
MR Miniature Series
B -0.4mm
RW156
4.762x7.938x2.779 mm
Inch RW Series
B -0.4mm

⚙ 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 →
4,300+
Models
15+
Years
RFQ
Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of R156ZZS?
The R156ZZS bearing has bore (d) = 4.762 mm, outer diameter (D) = 7.938 mm, and width (B) = 3.175 mm.
Is there a R156ZZS drawing or CAD file?
Yes. The R156ZZS 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 R156ZZS?
Dynamic load rating (Cr) = 0.40 kN (395 N), static load rating (C0r) = 0.15 kN.
What tolerance class is the R156ZZS?
The standard tolerance class of the R156ZZS is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does R156ZZS belong to?
The R156ZZS belongs to the MR Miniature Series within the Deep Groove Ball Bearings category.
Can NLHB supply R156ZZS 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 R156ZZS 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 R156ZZS?
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 R156ZZS

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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