Full-Complement Deep Groove Ball BearingsDeep Groove Ball Bearingscross-ref: NSK

BL308ZZ

d 40 × D 90 × B 23 mm

The BL308ZZ is a deep groove ball bearing with bore 40mm, outer diameter 90mm, and width 23mm rated for dynamic load 51.0 kN.

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BL308ZZ — representative product photo — Representative product

BL308ZZ · 40x90x23 mm

📋 Technical Specifications

Bore (d)

40mm

Outer Dia. (D)

90mm

Width (B)

23mm

Dynamic Load (Cr)

51.00 kN(51000 N)

Static Load (C0r)

36.00 kN(36000 N)

Reference Speed

7500rpm

Bearing type	Deep Groove Ball Bearings
Series	Full-Complement Deep Groove Ball Bearings
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)

🔐 Model Code Breakdown

What each part of BL308ZZ means.

Max Capacity

BL	BL = maximum-type / full-complement bearing

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)	40
Outer diameter (D)	90
Width (B)	23

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

7,500 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 40x90x23 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
6308	Same boundary dimensions — verify fit/load	6300	Open	Quote →
6308 2RS	Same boundary dimensions — verify fit/load	6300	Rubber Seals	Quote →
6308 2RZ	Same boundary dimensions — verify fit/load	6300	Rubber Seals	Quote →
6308 ZZ	Same boundary dimensions — verify fit/load	6300	Metal Shields	Quote →
6308N	Same boundary dimensions — verify fit/load	6300	Open	Quote →
6308NR	Same boundary dimensions — verify fit/load	6300	Open	Quote →
7308	Same boundary dimensions — verify fit/load	73 Series	Open	Quote →
BL308	Configuration variant	Full-Complement Deep Groove Ball Bearings	Open	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 BL308ZZ?

The BL308ZZ bearing has bore (d) = 40 mm, outer diameter (D) = 90 mm, and width (B) = 23 mm.

What is the load rating of BL308ZZ?

Dynamic load rating (Cr) = 51.00 kN (51000 N), static load rating (C0r) = 36.00 kN.

What bearing series does BL308ZZ belong to?

The BL308ZZ belongs to the Full-Complement Deep Groove Ball Bearings within the Deep Groove Ball Bearings category.

Can NLHB supply BL308ZZ 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 BL308ZZ 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 BL308ZZ?

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 BL308ZZ

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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