TIMKEN 638-ZZ Single Row Ball Bearings
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What is 638-ZZ bearing interchange？
| Brand Name: |
TIMKEN |
| Model Number: |
638-ZZ |
| Minor Diameter [Min: |
45.0 LB |
| Shaft Key: |
Flange Mount |
| Port Orientation - Shaft End: |
Right Hand (CW) |
| Shaft End Flow @ RPM: |
2520VQ21A5-1DD20 |
| Port Size: |
2.5 |
| Major Diameter [Max: |
Flange |
| Shaft End Pressure [Max: |
3/16 in |
| Seal Material: |
Standard Pilot |
| PDF |
638-ZZ |
Product Details
| Minor Diameter [Min |
45.0 LB |
| Shaft Key |
Flange Mount |
| Port Orientation - Shaft End |
Right Hand (CW) |
| Shaft End Flow @ RPM |
2520VQ21A5-1DD20 |
| Port Size |
2.5 |
| Major Diameter [Max |
Flange |
| Shaft End Pressure [Max |
3/16 in |
| Seal Material |
Standard Pilot |
| Pump Series |
0.875 in |
| Port Orientation - Cover End |
Straight w/ Key |
| Shaft Length |
2520VQ |
| Cover End Pressure [Max |
1 15/16 in |
| Relief Valve Setting |
Double |
| Controlled Flow Rate |
Buna-N |
| Max. RPM [Max |
2500 |
| GPM @ 1,800 rpm, Cover End |
N/A |
| Displacement Cover End (cu in/revolution) |
SAE B, 2 Bolt |
| Integral Valve Configuration |
Single Shaft Seal |
| Displacement Shaft End (cu in/revolution) |
4.1 |
| Cover End RPM [Max |
2700 |
| Rotation |
2500 |
| Model No. |
N/A |
| Shaft Seal Type |
5 gal/min @ 1200 rpm, 7.5 gal/min @ 1800 rpm |
| Port Type |
N/A |
| Mounting |
N/A |
| Major Diameter [Min |
N/A |
| Shaft Type |
N/A |
| Spline Description |
N/A |
| Pressure Port Size, Shaft End |
21 gal/min @ 1200 rpm, 31.5 gal/min @ 1800 rpm |
| Pressure Port Size, Cover End |
2520VQ21A5-1DD20 |
| Minor Diameter |
3000 |
| Manufacturer Part No. |
3000 |
| Shaft End RPM [Max |
7.5 |
| GPM @ 1,800 rpm, Shaft End |
31.5 |
| Mounting Flange |
w/o Integral Valves |
| Pilot Type |
Outlet 135° CW from Inlet |
| Shaft Dia. |
Outlet 90° CW from Inlet |
| Cover End Flow @ RPM |
3/4 in Flange |
| Weight |
1 in Flange |
| Minor Diameter [Max |
1.1 |
Company Profile
| Worktime |
9:00-18:00(BeiJing time) |
| Phone |
86-13569877658 |