1984W/1920 is a Timken tapered roller bearing, bore 28.57 mm, O.D. 56.9 mm, width 19.36 mm, weight 0.21 kg. Dimensions, drawing, interchanges and price.
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
28.575
1.125
D
Outside diameter
56.896
2.24
B
Inner-ring / bearing width
19.355
0.762
T
Overall assembly width
19.845
0.7813
C
Cup / outer-ring width
15.875
0.625
r
Chamfer (min)
3.3
0.1299
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)
28.575
Bore d (in)
1.1250
Outside dia. D (mm)
56.896
Outside dia. D (in)
2.2400
Width B (mm)
19.355
Width B (in)
.7620
Overall width T (mm)
19.845
Overall width T (in)
.7813
Cup width C (mm)
15.875
Cup width C (in)
.6250
Weight
Cone weight (kg)
0.14
Cup weight (kg)
0.07
Total weight (kg)
0.21
Mounting dimensions (fillets / shoulders)
Shaft fillet R max (mm)
.8
Housing fillet r max (mm)
3.3
Source & traceability
Brand
Timken
Source catalogue
Timken Bearing Dimension Catalog
Catalogue page
p.303 (dimensions) / p.48 (cone) / p.48 (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.
