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SKF / Super-precision angular contact thrust ball bearings

SKF FBSA 205/QBCB

Super-precision cartridge units with a flanged housing for screw drives technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
25 mm
Outside diameterD
120 mm
Dynamic load ratingC
36.5 kN
Static load ratingC0
104 kN
Mass≈m
3.5 kg
Bore diameter
25.0 mm

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 thrust ball bearings
Bore diameterd25 mm
Outside diameterD120 mm
HeightH82 mm
Basic dynamic load ratingC36.5 kN
Basic static load ratingC0104 kN
Fatigue load limitPu3.86 kN
Mass≈m3.5 kg
SealingSeal on both sides
Bearing materialBearing steel
LubricantGrease
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter25.0 mm
Outside diameter120.0 mm
Height82.0 mm
Contact angle62.0 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categorySuper-precision angular contact thrust ball bearings
Official taxonomy path/products/super-precision-bearings/angular-contact-thrust-ball-bearings-for-screw-drives
Structure group IDAHC_010
Available from SKFYes
RemanufacturableNo
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC36.5 kN
Basic static load ratingC 0104 kN
Fatigue load limitP u3.86 kN
Attainable speed2250 r/min
Contact angleα62 °
Preload6320 N
Frictional moment0.24 N·m
Axial stiffness1850 N/µm
Engineering — Dimensions10 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd25 mm
Outside diameterD120 mm
Overall heightA82 mm
Distance over distance ring side facesA 180 mm
Distance flange position from side faceA 232 mm
Flange widthA 315 mm
Shoulder diameter of laminar ringd 132 mm
Cartridge outside diameter at flange sideD 188 mm
Cartridge outside diameter at housing seatD 280 mm
Lock nut inner diameterD 336 mm
Engineering — Mounting information3 parameters
Engineering — Mounting information
ParameterSymbolValue
Through hole diameter for attachment boltsN9.2 mm
Pitch diameter of attachment bolt holesJ102 mm
Cartridge half diameter without flangeJ 144 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight3.5 kg
eClass code23-05-16-90
UNSPSC code31171535
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating36.5 kN
Basic static load rating104.0 kN
Properties9 parameters
Properties
ParameterSymbolValue
Locating feature, bearing outer ringPrecision lock nut
Matched arrangement>
Number of bearings in matched set4
Material, bearingBearing steel
SealingSeal on both sides
Sealing typeNon-contact
LubricantGrease
Relubrication featureWithout
Indicative carbon footprint for new product13.0 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 FBSA 205/QBCB
Document matching
Exact designation, assembly scope, revision and units must agree.

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