Timken 398 – 394D Tapered Roller Bearings – TDO (Tapered Double Outer) Imperial - Boya Corporation Singapore
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Timken 398 – 394D Tapered Roller Bearings – TDO (Tapered Double Outer) Imperial

Timken 398 – 394D Tapered Roller Bearings – TDO (Tapered Double Outer) Imperial

Timken 398 – 394D Tapered Roller Bearings – TDO (Tapered Double Outer) Imperial

 Looking Timken 398 – 394D Tapered Roller Bearings – TDO (Tapered Double Outer) Imperial to replace your FAG,Timken, SKF, NSK,NTN,Koyo,Mcgill ,Nachi bearing, we make a drop-in replacement for it. If you’re not sure who made the bearing just contact with us .Boya Singapore Bearing coporation competes with the biggest names in the bearing industry.

    Boya Singapore Bearing coporation uses a variety of prefixes and suffixes to help identify critical features of Origin bearings. Some are standard throughout the bearing industry, while some are not. If you’re having difficulty finding a direct interchange, Contact with us.

Series

395

Cone Part Number

398

Cup Part Number

394D

Design Units

Imperial

Bearing Weight

4.87 lb2.209 Kg

Cage Type

Stamped Steel

Ab – Cage-Cone Frontface Clearance

0.11 in2.8 mm

d – Bore

2 in50.8 mm

D – Cup Outer Diameter

4.3307 in110.000 mm

B – Cone Width

0.8660 in21.996 mm

C – Double Cup Width

1.8125 in46.038 mm

T – Bearing Width across Cones

2.0624 in52.385 mm

R – Cone Backface “To Clear” Radius1

0.03 in0.800 mm

r – Cup Frontface “To Clear” Radius2

0.03 in0.8 mm

db – Cone Backface Backing Diameter

2.44 in62.00 mm

Da – Cup Frontface Backing Diameter

4.12 in104.65 mm

Aa – Cage-Cone Backface Clearance

0.05 in1.3 mm

C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)3

5760 lbf25600 N

C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)4

38700 lbf172000 N

C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)5

10000 lbf44600 N

Ca90 – Dynamic Thrust Rating (90 million revolutions)6

3970 lbf17600 N

K – Factor7

1.45

e – ISO Factor8

0.87

Y1 – ISO Factor9

0.78 1.16

Y2 – ISO Factor10

1.16

G1 – Heat Generation Factor (Roller-Raceway)11

56

G2 – Heat Generation Factor (Rib-Roller End)

21.4

Cg – Geometry Factor12

0.0984

  Tapered Roller Bearings > Tapered Roller Bearings – TDO (Tapered Double Outer) > Tapered Roller Bearings – TDO (Tapered Double Outer) Imperial > Timken Part Number 398 – 394D

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