Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.
Scale cross-section
Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own
dimensions for selection reference only - not a manufacturing or assembly drawing.
Dimension table (mm / inch)
Symbol
Dimension
mm
inch
d
Bore diameter
425.45
16.75
D
Outside diameter
685.698
26.996
B
Inner-ring / bearing width
12.7
0.5
T
Overall assembly width
142.875
5.625
C
Cup / outer-ring width
104.775
4.125
r
Chamfer (min)
6.4
0.252
Notes
Tapered roller bearings are cone / cup assemblies; cone and cup weights are listed separately and the total is their sum. Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.
Main dimensions
Bore d (mm)
425.450
Bore d (in)
16.7500
Outside dia. D (mm)
685.698
Outside dia. D (in)
26.9960
Width B (mm)
12.7
Width B (in)
5.6220
Overall width T (mm)
142.875
Overall width T (in)
5.6250
Cup width C (mm)
104.775
Weight
Cup weight (kg)
64.23
Mounting dimensions (fillets / shoulders)
Housing fillet r max (mm)
6.4
Source & traceability
Brand
Timken
Source catalogue
Timken Bearing Dimension Catalog
Catalogue page
p.326 (dimensions) / p.178 (cone) / p.178 (cup)
Dimensions and component weights only - this catalogue publishes no load ratings or speeds.
Send us the quantity you need and we will come back with price and
lead time, normally within 24 hours. Equivalent parts from other brands can be quoted at the same time.
