Koyo/JTEKT 636-ZZ Extra Small Ball Bearing Metal Shield 6 x 22 x 7mm
Out of stock
Koyo/JTEKT 636-ZZ. Shielded (metal): metal shields protect against dust and large debris. Koyo precision chrome steel races and balls. Standard clearance. Miniature Ball Bearing Metal Shield - 630 Series is a service-grade replacement for industrial and automotive drive shafts.
Bearing type: Deep groove ball bearing. Sealing: Shielded (metal). Clearance: Standard. Material: Chrome bearing steel. Refer to title for dimensions.
Key Specifications
| Boundary Dimension (mm) r min. min. | 0.3 |
| Boundary Dimension (mm) r1 min. | 0.3 |
| Mounting Dimension (mm) Ra Max. | 0.3 |
Available Sizes
2 sizes available — select the exact size you need from the dropdown above. Key figures for each:
| Bore Diameter x Outer Diameter x Width (mm) | Basic Load Rating (kN) Cr | Basic Load Rating (kN) C0r | Limiting Speed (min-1) Oil Lub. Open (Z) |
|---|---|---|---|
| 6 x 22 x 7 | 4.1 | 1.35 | 37000 |
| 8 x 28 x 9 | 5.65 | 1.95 | 32000 |
Where This Is Used
- Automotive: Transmissions, electrical devices, truck, and trailer equipment.
- Off-Highway Vehicles: Construction equipment, agricultural equipment, railroad rolling equipment.
- Electrical Equipment: Standard motors, electric appliances for domestic use.
- Other: Measuring instruments, medical instruments, and miscellaneous industrial equipment.
Features
- Features Deep Groove Radial Bearing.
- Type: Open Type, Shielded/ sealed type, With locating snap ring, Maximum type, and Double-row.
- The most popular rolling bearing type used in a wide variety of industries and applications.
- The inner and outer rings have deep uninterrupted grooves.
- They can support radial loading and a certain degree of axial loading in either direction.
- High-speed capability.
- The Maximum style not to be used when axial loading or high speed is involved.
- Sealed and shielded types are filled with an appropriate volume of grease.
- Bearings with a locating snap ring aid axial positioning and eliminate the need for housing shoulder.
- Cages can be a pressed steel, machined copper alloy, molded polyamide, synthetic resin, pressed stainless sheet steel.
Full engineering specifications (all 14 fields, 2 sizes)
| Bearing Width B (mm) | Limiting Speed (min-1) Grease lub. Open (ZZ, 2RU) | Boundary Dimension (mm) B1 | Bore Diameter x Outer Diameter x Width (mm) | Basic Load Rating (kN) Cr | Fatigue Load Limit (kN) Cu | Outside Diameter D (mm) | Limiting Speed (min-1) Oil Lub. Open (Z) | Basic Load Rating (kN) C0r | Bore Diameter d (mm) | Mounting Dimension (mm) Da Min. | Factor F 0 | Mass (g) | Mounting Dimension (mm) Da Max. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7 | 31000 | 7 | 6 x 22 x 7 | 4.1 | 0.06 | 22 | 37000 | 1.35 | 6 | 8 | 12.4 | 13 | 20 |
| 9 | 26000 | 9 | 8 x 28 x 9 | 5.65 | 0.1 | 28 | 32000 | 1.95 | 8 | 10 | 12.3 | 29 | 26 |
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6 x 22 x 7mm bearing
Model Number: 636-ZZ/KOYO
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8 x 28 x 9mm bearing
Model Number: 638-ZZ/KOYO

