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18620 Inch Tapered Roller Bearings
18620 Inch Tapered Roller Bearings
18620 Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings
Diagram of DSBR Inch Tapered Roller Bearings

18685/18620 Inch Tapered Roller Bearings

The 18685/18620 tapered roller bearing is a precision inch-series bearing designed for automotive and industrial use. It provides reliable support for radial and axial loads, making it suitable for wheel hubs, gearboxes, and machinery. Manufactured with premium bearing steel and advanced heat treatment, it delivers excellent wear resistance and long service life. Its separable cone and cup design simplify installation and maintenance, while precision-ground raceways ensure smooth and stable operation. DSBR’s strict quality control guarantees consistent performance, offering OEM and aftermarket customers a durable and cost-effective solution.

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Technical Specification Technical Specification

Technical Specification of 18685/18620 Inch Tapered Roller Bearings

Specifications
Series18600
Cone Part Number18685
Cup Part Number18620
Design UnitInch
Cage MaterialStamped Steel
Dimensions
d - Bore1 3/4 in
44.45 mm
D - Cup Outer Diameter3.1250 in
79.375 mm
B - Cone Width0.6875 in
17.463 mm
C - Cup Width0.5313 in
13.495 mm
T - Bearing Width0.6875 in
17.463 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius10.11 in
2.8 mm
r - Cup Backface "To Clear" Radius20.06 in
1.52 mm
da - Cone Frontface Backing Diameter1.95 in
49.5 mm
db - Cone Backface Backing Diameter2.17 in
55 mm
Da - Cup Frontface Backing Diameter2.94 in
74.68 mm
Db - Cup Backface Backing Diameter2.8 in
71.12 mm
Ab - Cage-Cone Frontface Clearance0.09 in
2.3 mm
Aa - Cage-Cone Backface Clearance0.01 in
0.3 mm
a - Effective Center Location3-0.08 in
-2 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)43030 lbf
13500 N
C1 - Dynamic Radial Rating (1 million revolutions)511700 lbf
52000 N
C0 - Static Radial Rating13800 lbf
61300 N
Ca90- Dynamic Thrust Rating (90 million revolutions)61940 lbf
8630 N
Factors
K - Factor71.56
e - ISO Factor80.37
Y - ISO Factor91.6
G1 - Heat Generation Factor (Roller-Raceway)23.9
G2 - Heat Generation Factor (Rib-Roller End)17.7
Cg - Geometry Factor100.0725


Contact DSBR for More Information
Contact DSBR for More Information
2010
SINCE
9
PATENTS
120
EXPERT WORKERS
40
EXPORT COUNTRIES
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