MR Miniature SeriesDeep Groove Ball BearingsShieldedcross-ref: NSK

MF74ZZ

d 4 × D 7 × B 2.5 mm

The MF74ZZ is a deep groove ball bearing with bore 4mm, outer diameter 7mm, and width 2.5mm rated for dynamic load 0.3 kN.

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MF74ZZ — representative product photo — Representative product

MF74ZZ · 4x7x2.5 mm

📋 Technical Specifications

Bore (d)

4mm

Outer Dia. (D)

7mm

Width (B)

2.5mm

Dynamic Load (Cr)

0.28 kN(280 N)

Static Load (C0r)

0.11 kN(107 N)

Reference Speed

60000rpm

Bearing type	Deep Groove Ball Bearings
Series	MR Miniature Series
Seal type	Shielded
Material	Confirmed per inquiry — grade and certificate availability reviewed before quotation
Bore type	Confirmed per drawing
Dimension unit	millimeter (mm)

🔐 Model Code Breakdown

What each part of MF74ZZ means.

Mini Flange

MF	MF = miniature extended-inner flange

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)	4
Outer diameter (D)	7
Width (B)	2.5

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).

⚡ Source-Data Reference Speed

Catalog reference

60,000 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 4x7x2.5 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
MF74	Configuration variant	Extended Inner-Ring Flanged Bearings	Shielded	Quote →
MF74 2rs	Configuration variant	MF74	Sealed	Quote →
MF74 ZZ	Configuration variant	MF74	Metal Shields	Quote →
MR74 2rs	Same boundary dimensions — verify fit/load	MR	Sealed	Quote →
MR74 ZZ	Same boundary dimensions — verify fit/load	MR	Metal Shields	Quote →
MR74ZZ	Same boundary dimensions — verify fit/load	MR Miniature Series	Shielded	Quote →
SMF74	Different outer-ring feature	Extended Inner-Ring Flanged Bearings	Sealed	Quote →
SMF74 2rs	Same boundary dimensions — verify fit/load	SMF74	Sealed	Quote →
SMF74zz	Same boundary dimensions — verify fit/load	SMF74	Shielded	Quote →

🔄 Related Models

Same bearing family or similar dimensions.

Similar 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 MF74ZZ?

The MF74ZZ bearing has bore (d) = 4 mm, outer diameter (D) = 7 mm, and width (B) = 2.5 mm.

What is the load rating of MF74ZZ?

Dynamic load rating (Cr) = 0.28 kN (280 N), static load rating (C0r) = 0.11 kN.

What bearing series does MF74ZZ belong to?

The MF74ZZ belongs to the MR Miniature Series within the Deep Groove Ball Bearings category.

Can NLHB supply MF74ZZ 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 MF74ZZ 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 MF74ZZ?

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 MF74ZZ

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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