99,016 bearing records · search, filter and compare

TIMKEN / Cylindrical 1-row

TIMKEN N-2951-B

Cylindrical roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
266.634 mm
Outside diameterD
342.991 mm
WidthB
51.592 mm
Dynamic load ratingC
573 kN
Static load ratingC0
1080 kN
Mass≈m
12 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 specifications10 parameters
Core specifications
ParameterSymbolValue
SeriesEX27984
Variant / constructionCylindrical 1-Row
Bore diameterd266.634 mm
Outside diameterD342.991 mm
WidthB51.592 mm
Basic dynamic load ratingC573 kN
Basic static load ratingC01080 kN
Mass≈m12 kg
SealingOpen
CageWindow Brass cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor0.00
Y2 Factor0.00
Y0 Factor0.00
E Factor0.00
Cg Factor0.1591
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100179597
World Assembly Part NumberN-2951-B
Inner Ring Part NumberN-3663-C
Outer Ring Part NumberN-3664-C
Drawing NumberM905851
Upc0087796223363
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.753
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 10.4974 in Bore | 13.5036 in OD | 2.0312 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | Special Clearance
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating573,000 N
Axial Rating0 N
Dynamic Rating C1573,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C01,080,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

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
TIMKEN N-2951-B
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