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3000 SeriesDouble-Row Angular Contact Ball Bearings

30/8

d 8 × D 22 × B 11 mm

The 30/8 is a double-row angular contact ball bearing with bore 8mm, outer diameter 22mm, and width 11mm rated for dynamic load 5.1 kN.

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NOMINAL DIMENSION DRAWINGD = 22 mmd = 8 mmB = 11 mmNLHB BEARINGS30/88 × 22 × 11 mmNOMINAL DIMENSIONS • TOLERANCE AND SUPPLY CONFIRMED PER INQUIRY
30/8 · 8x22x11 mm

📋 Technical Specifications

Bore (d)
8mm
Outer Dia. (D)
22mm
Width (B)
11mm
Dynamic Load (Cr)
5.10 kN(5100 N)
Static Load (C0r)
2.60 kN(2600 N)
Reference Speed
34500rpm
Bearing typeDouble-Row Angular Contact Ball Bearings
Series3000 Series
Seal typeOpen
MaterialConfirmed per inquiry — grade and certificate availability reviewed before quotation
Bore typeRound
Dimension unitmillimeter (mm)

📐 Detailed Dimensions

Basic dimensions (mm)

Bore diameter (d)8
Outer diameter (D)22
Width (B)11

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

📑 Drawings & 3D Model

30/8 bearing dimension drawing, 8 x 22 x 11 mm
30/8 dimension drawing: bore d 8 mm × outer diameter D 22 mm × width B 11 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
34,500 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 8x22x11 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.

No other catalog models share the same boundary dimensions.

🔄 Related Models

Same bearing family or similar dimensions.

Same model family — dimensions may differ
30.M.13.236-00
8x22x7 mm
V-Groove / U-Groove
B -4.0mm
30.M.13.236-01
10x30x8 mm
V-Groove / U-Groove
B -3.0mm
30.M.13.236-02
10x30x14 mm
V-Groove / U-Groove
B +3.0mm
30.M.13.236-05
8x22x7 mm
V-Groove / U-Groove
B -4.0mm
30.M.13.236-06
8x22x7 mm
V-Groove / U-Groove
B -4.0mm

⚙ Typical Applications

Pumps
Compressors
Gearboxes
Automotive wheels
Material handling
Textile 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 30/8?
The 30/8 bearing has bore (d) = 8 mm, outer diameter (D) = 22 mm, and width (B) = 11 mm.
Is there a 30/8 drawing or CAD file?
Yes. The 30/8 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 30/8?
Dynamic load rating (Cr) = 5.10 kN (5100 N), static load rating (C0r) = 2.60 kN.
What tolerance class is the 30/8?
The standard tolerance class of the 30/8 is ABEC-1 (P0) per GB/T 307.1, unless otherwise agreed.
What bearing series does 30/8 belong to?
The 30/8 belongs to the 3000 Series within the Double-Row Angular Contact Ball Bearings category.
Can NLHB supply 30/8 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 30/8 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 30/8?
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.

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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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