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 |
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