99,016 bearing records · search, filter and compare

SKF / Angular contact ball bearings

SKF 7221 BEP

Single row angular contact ball bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
105 mm
Outside diameterD
190 mm
WidthB
36 mm
Dynamic load ratingC
148 kN
Static load ratingC0
137 kN
Limiting speednG
3800 r/min

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 specifications15 parameters
Core specifications
ParameterSymbolValue
Variant / constructionAngular contact ball bearings
Bore diameterd105 mm
Outside diameterD190 mm
WidthB36 mm
Basic dynamic load ratingC148 kN
Basic static load ratingC0137 kN
Fatigue load limitPu4.8 kN
Reference speednref4300 r/min
Limiting speednG3800 r/min
Mass≈m3.82 kg
Precision classNormal
SealingWithout
CageNon-metallic
Bearing materialBearing steel
LubricantNone
Precision classification2 parameters
Precision classification
ParameterSymbolValue
Radial ball bearing tolerance equivalentABEC 1Derived from ISO Normal; not a direct ABEC marking
Mapping basisISO 492 / ANSI/ABMA 20The original manufacturer tolerance remains the controlling value.
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter105.0 mm
Outside diameter190.0 mm
Width36.0 mm
Contact angle40.0 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryAngular contact ball bearings
Official taxonomy path/products/rolling-bearings/ball-bearings/angular-contact-ball-bearings/single-row-angular-contact-ball-bearings
Structure group IDBA1_001_101
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions5 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd amin. 117 mm
Abutment diameter housingD amax. 178 mm
Diameter of housing abutmentD bmax. 183 mm
Radius of filletr amax. 2 mm
Radius of filletr bmax. 1 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC148 kN
Basic static load ratingC 0137 kN
Fatigue load limitP u4.8 kN
Reference speed4300 r/min
Limiting speed3800 r/min
Minimum axial load factorA0.3
Minimum radial load factork r0.1
Limiting valuee1.1
Engineering — Calculation data — Bearing pair arranged back-to-back or face-to-face4 parameters
Engineering — Calculation data — Bearing pair arranged back-to-back or face-to-face
ParameterSymbolValue
Calculation factor (back-to-back, face-to-face)X0.57
Calculation factor (back-to-back, face-to-face)Y 00.52
Calculation factor (back-to-back, face-to-face)Y 10.55
Calculation factor (back-to-back, face-to-face)Y 20.93
Engineering — Calculation data — Single bearing or bearing pair arranged in tandem3 parameters
Engineering — Calculation data — Single bearing or bearing pair arranged in tandem
ParameterSymbolValue
Calculation factor (single, tandem)X0.35
Calculation factor (single, tandem)Y 00.26
Calculation factor (single, tandem)Y 20.57
Engineering — Dimensions13 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd105 mm
Deviation limits of mid-range bore diametert Δdmp-0.02 to 0 mm
Outside diameterD190 mm
Deviation limits of mid-range outside diametert ΔDmp-0.03 to 0 mm
WidthB36 mm
Deviation limits of ring widtht ΔBs-0.2 to 0 mm
Shoulder diameter of inner ring (large side face)d 1≈ 137.95 mm
Shoulder diameter of inner ring (small side face)d 2≈ 121.17 mm
Shoulder diameter of outer ring (large side face)D 1≈ 159.1 mm
Distance side face to pressure pointa80 mm
Chamfer dimensionr 1,2min. 2.1 mm
Chamfer dimensionr 3,4min. 1.1 mm
ISO tolerance class for dimensionsNormal
Engineering — Tolerances of run-out3 parameters
Engineering — Tolerances of run-out
ParameterSymbolValue
Range of section height at inner ring of assembled bearingt Kia25 µm
Range of section height at outer ring of assembled bearingt Kea50 µm
ISO tolerance class for geometrical tolerancesNormal
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight3.82 kg
eClass code23-05-08-03
UNSPSC code31171531
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating148.0 kN
Basic static load rating137.0 kN
Reference speed4300.0 r/min
Limiting speed3800.0 r/min
Properties15 parameters
Properties
ParameterSymbolValue
Contact typeNormal contact (two-point contact)
Number of rows1
Locating feature, bearing outer ringWithout
Ring typeOne-piece inner and outer rings
CageNon-metallic
Matched arrangementNo
Universal matching bearingNo
Axial internal clearanceNot applicable
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product14.1 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 7221 BEP
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