99,016 bearing records · search, filter and compare

SKF / Super-precision angular contact ball bearings

SKF 71830 CD/P4DFB

Matched set of two super-precision, high-capacity, d design, single row angular contact ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
150 mm
Outside diameterD
190 mm
WidthB
40 mm
Dynamic load ratingC
83.2 kN
Static load ratingC0
146 kN
Mass≈m
2.2 kg

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications11 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSuper-precision angular contact ball bearings
Bore diameterd150 mm
Outside diameterD190 mm
WidthB40 mm
Basic dynamic load ratingC83.2 kN
Basic static load ratingC0146 kN
Fatigue load limitPu4.65 kN
Mass≈m2.2 kg
SealingWithout
Bearing materialBearing steel
LubricantNone
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter150.0 mm
Outside diameter190.0 mm
Width40.0 mm
Contact angle15.0 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categorySuper-precision angular contact ball bearings
Official taxonomy path/products/super-precision-bearings/angular-contact-ball-bearings
Structure group IDBA1_010
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions4 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd bmin. 156 mm
Diameter of housing abutmentD amax. 184 mm
Radius of filletr amax. 1 mm
Position of oil nozzled n165.6 mm
Engineering — Calculation data10 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC83.2 kN
Basic static load ratingC 0146 kN
Fatigue load limitP u4.65 kN
Attainable speed for grease lubricationTo be calculated: Single bearing (6000) x speed reduction factor (see table below)
Attainable speed for oil-air lubricationTo be calculated: Single bearing (9000) x speed reduction factor (see table below)
Contact angleα15 °
Ball diameterD w11.112 mm
Number of rowsi2
Number of balls (per bearing)z35
Reference grease quantity (per bearing)G ref13 cm³
Engineering — Calculation data — Correction factors for preload calculation4 parameters
Engineering — Calculation data — Correction factors for preload calculation
ParameterSymbolValue
Correction factor dependent on bearing series and sizef1.4
Correction factor dependent on contact anglef 11
Correction factor, preload class Bf 2B1.1
Correction factor for hybrid bearingsf HC1
Engineering — Calculation data — Factors for equivalent bearing load calculation2 parameters
Engineering — Calculation data — Factors for equivalent bearing load calculation
ParameterSymbolValue
Calculation factor for equivalent loadsf 017.3
Additional factors for equivalent loadsRefer to Notes 1 and 2 below
Engineering — Calculation data — Preload and stiffness (back-to-back, face-to-face)3 parameters
Engineering — Calculation data — Preload and stiffness (back-to-back, face-to-face)
ParameterSymbolValue
Preload classB
PreloadG820 N
Axial stiffness236 N/µm
Engineering — Dimensions6 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd150 mm
Outside diameterD190 mm
WidthB40 mm
Shoulder diameter of inner ring (small side face)d 2163.35 mm
Shoulder diameter of outer ring (large side face)D 1176.7 mm
Chamfer dimensionr 1,2min. 1.1 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Universal matching bearing(s)No
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight2.2 kg
eClass code23-05-08-04
UNSPSC code31171531
Performance3 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating83.2 kN
Basic static load rating146.0 kN
NoteRefer to catalogue data or contact SKF for the attainable speeds
Properties14 parameters
Properties
ParameterSymbolValue
Contact typeNormal contact (two-point contact)
Number of rows2
Ring typeOne-piece inner and outer rings
DesignHigh-capacity D
Universal matching bearingNo
Matched arrangementFace-to-face ><
Number of bearings in matched set2
Matched condition (axial clearance/ preload)Light preload
Tolerance classP4
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Indicative carbon footprint for new product8.1 kg CO 2 e

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
SKF 71830 CD/P4DFB
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search