draw we provide 778 - 774D bearing bearings best quality , Timken d:92.075 *D:180.975 *B:48.006 mm ,

778 - 774D

778/772 778/772

778 - 774D bearinginquiry

Series

775

Cone Part Number

778

Cup Part Number

774D

Design Units

Imperial

Bearing Weight

25.3750 lb
11.5099 Kg

Cage Type

Stamped Steel

D - Cup Outer Diameter

7.1250 in
180.975 mm

d - Cone Bore

3.6250 in
92.075 mm

B - Cone Width

1.8900 in
48.006 mm

C - Double Cup Width

3.3750 in
85.725 mm

T - Bearing Width across Cones

4.1250 in
104.775 mm

Z - Number of Rollers Per Row

Ka - Locking Pin Diameter

N/A

Kb - Locking Pin Depth

N/A

R - Cone Backface "To Clear" Radius¹

0.140 in
3.600 mm

r - Cup Frontface "To Clear" Radius²

0.06 in
1.5 mm

db - Cone Backface Backing Diameter

4.37 in
111.00 mm

Da - Cup Frontface Backing Diameter

6.65 in
168.90 mm

Aa - Cage-Cone Backface Clearance

0.14 in
3.60 mm

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)¹

20200 lbf
89700 N

C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)²

135000 lbf
603000 N

C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)³

35100 lbf
156000 N

C_a90 - Dynamic Thrust Rating (90 million revolutions)⁴

13300 lbf
59200 N

K - Factor¹

1.51

e - ISO Factor²

0.83

Y1 - ISO Factor³

0.82
1.22

Y2 - ISO Factor⁴

1.22

G1 - Heat Generation Factor (Roller-Raceway)⁵

227

G2 - Heat Generation Factor (Rib-Roller End)

41.3

Cg - Geometry Factor⁶

0.107

Sales the 778 - 774D bearings, condition monitoring and technical supports. we can assure the quality of the Timken 778 - 774D bearings we provide, at the same time guarantee the price is always competitive. As our valued customers, you always have a peace in mind when using 778 - 774D bearings..

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draw we provide 778 - 774D bearing bearings best quality , Timken d:92.075 *D:180.975 *B:48.006 mm , Previous:782 - 774D Timken Next:782 - 774D Timken

Brand:

NACHI Bearing

Category:

Tapered Roller Bearings

Model:

778/772

92.075 mm

180.975 mm

48.006 mm

Cr:

278000 N

C0r:

415000 N

Grease RPM:

2000 1/min

Oil RPM:

2700 1/min

5.43 kg

Brand:

KOYO Bearing

Category:

Tapered Roller Bearings

Model:

778/772

92.075 mm

180.975 mm

48.006 mm

Cr:

288 N

C0r:

438 N

Grease RPM:

2100 1/min

Oil RPM:

2800 1/min

5.57 kg