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Taper roller bearing inch size double rows 688TD/672 for truck axel

Taper roller bearing inch size double rows 688TD/672 for truck axel

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Brand Name : Timken

Model Number : 688TD/672

Certification : ISO9001

Place of Origin : U.S.A

MOQ : 2sets

Price : negotiation

Payment Terms : L/C at sight, D/P at sight, T/T, Western Union

Supply Ability : 6000sets per month

Delivery Time : 8days

Packaging Details : color brand box, carton

Bearing type : taper roller bearing

Material : GCR15, E52100

Structure : Double rows

Feature : heavy load, low speed

Outlook : Middle size

Application : truck axel

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Specifications

Series

675

Cone Part Number

688TD

Cup Part Number

672

Design Units

Imperial

Bearing Weight

17.20 lb7.800 Kg

Cage Type

Stamped Steel

Aa - Cage-Cone Backface Clearance

0 in0 mm

Dimensions

d - Bore

3.9453 in100.211 mm

D - Cup Outer Diameter

6.6250 in168.275 mm

B - Double Cone Width

3.7500 in95.250 mm

C - Cup Width

1.1875 in30.163 mm

T - Bearing Width across Cups

3.7500 in95.250 mm

Abutment and Fillet Dimensions

R - Cone Frontface "To Clear" Radius10.030 in0.80 mm
r - Cup Backface "To Clear" Radius20.130 in3.30 mm

Db - Cup Backface Backing Diameter

5.87 in149.10 mm

Ab - Cage-Cone Frontface Clearance

0.12 in3 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)314600 lbf64800 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)497800 lbf435000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)525400 lbf113000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)611700 lbf52200 N

Factors

K - Factor71.24
e - ISO Factor81.04
Y1 - ISO Factor90.65
Y2 - ISO Factor100.96
Cg - Geometry Factor110.106

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