MR Miniature SeriesDeep Groove Ball BearingsShieldedcross-ref: NSK

MF137ZZ

d 7 × D 13 × B 4 mm

The MF137ZZ is a deep groove ball bearing with bore 7mm, outer diameter 13mm, and width 4mm rated for dynamic load 0.6 kN.

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MF137ZZ — representative product photo — Representative product

MF137ZZ · 7x13x4 mm

📋 Technical Specifications

Bore (d)

7mm

Outer Dia. (D)

13mm

Width (B)

4mm

Dynamic Load (Cr)

0.59 kN(595 N)

Static Load (C0r)

0.28 kN(276 N)

Reference Speed

40000rpm

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 MF137ZZ means.

Mini Flange

MF	MF = miniature extended-inner flange

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)	7
Outer diameter (D)	13
Width (B)	4

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

40,000 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 7x13x4 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
MF137 2rs	Configuration variant	MF137	Sealed	Quote →
MF137 ZZ	Configuration variant	MF137	Metal Shields	Quote →
MR137	Same boundary dimensions — verify fit/load	MR Miniature Series	Sealed	Quote →
MR137 2rs	Same boundary dimensions — verify fit/load	MR	Sealed	Quote →
MR137 ZZ	Same boundary dimensions — verify fit/load	MR	Metal Shields	Quote →
MR137ZZ	Same boundary dimensions — verify fit/load	MR Miniature Series	Shielded	Quote →
SMF137 2rs	Same boundary dimensions — verify fit/load	SMF137	Sealed	Quote →
SMF137zz	Same boundary dimensions — verify fit/load	SMF137	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.

About NLHB →

4,315

Catalog Models

15+

Years

RFQ

Specification Confirmed

❓ Frequently Asked Questions

What are the dimensions of MF137ZZ?

The MF137ZZ bearing has bore (d) = 7 mm, outer diameter (D) = 13 mm, and width (B) = 4 mm.

What is the load rating of MF137ZZ?

Dynamic load rating (Cr) = 0.59 kN (595 N), static load rating (C0r) = 0.28 kN.

What bearing series does MF137ZZ belong to?

The MF137ZZ belongs to the MR Miniature Series within the Deep Groove Ball Bearings category.

Can NLHB supply MF137ZZ 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 MF137ZZ 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 MF137ZZ?

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 MF137ZZ

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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