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SKF / Cylindrical roller bearings

SKF BC1B 322770 A/HB1

Single row cylindrical roller bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
380 mm
Outside diameterD
480 mm
WidthB
40 mm
Dynamic load ratingC
270 kN
Static load ratingC0
520 kN
Limiting speednG
1300 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 specifications14 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCylindrical roller bearings
Bore diameterd380 mm
Outside diameterD480 mm
WidthB40 mm
Basic dynamic load ratingC270 kN
Basic static load ratingC0520 kN
Fatigue load limitPu42.5 kN
Reference speednref1100 r/min
Limiting speednG1300 r/min
Mass≈m18.3 kg
Internal clearanceC3
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter380.0 mm
Outside diameter480.0 mm
Width40.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryCylindrical roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/single-row-cylindrical-roller-bearings
Structure group IDBC1_001_101
Available from SKFYes
RemanufacturableYes
Engineering — Abutment dimensions4 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of spacer sleeved amin. 392 mm
Diameter of housing abutmentD amax. 468 mm
Diameter of housing abutmentD bmin. 456 mm
Radius of filletr amax. 2 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC270 kN
Basic static load ratingC 0520 kN
Fatigue load limitP u42.5 kN
Reference speed1100 r/min
Limiting speed1300 r/min
Minimum load factork r0.03
Limiting valuee0.2
Calculation factorY0.6
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd380 mm
Outside diameterD480 mm
WidthB40 mm
Shoulder diameter of inner ringd 1≈ 418 mm
Shoulder diameter of outer ringD 1≈ 444 mm
Raceway diameter of outer ringE451 mm
Chamfer dimensionr 1,2min. 2.1 mm
Permissible axial displacementsmax. 2 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight18.3 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating270.0 kN
Basic static load rating520.0 kN
Reference speed1100.0 r/min
Limiting speed1300.0 r/min
Properties18 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial displacement capabilityIn one direction
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageMachined brass
Number of flanges, outer ring1
Number of flanges, inner ring2
Loose flangeNone
Radial internal clearanceC3
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product67.6 kg CO 2 e
Indicative carbon footprint for remanufactured product22.5 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF BC1B 322770 A/HB1
Document matching
Exact designation, assembly scope, revision and units must agree.

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