Deep Groove Ball Bearing - Replacement for 6207 2RS
6207DDU
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Compatibility
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Reference Diagrams
Visit our diagram page for part references to popular models
Product Description
6207DDU is a deep groove ball bearing assembly with 35 mm bore, 72 mm outer diameter, and 17 mm width, featuring non-contact rubber seals on both sides (DDU type), C3 clearance, and direct compatibility as a replacement for 6207 2RS and 6207LLU types. Constructed of bearing-grade chrome steel, this assembly is suitable for use in manual pallet jack wheel and pump assemblies.
Specifications
Material & Construction
| Raceway Material | Chrome steel, bearing grade (SAE 52100/ GCr15) |
| Ball Material | Chrome steel (AISI 52100) |
| Cage Material | Pressed steel |
| Seal Material | Synthetic nitrile rubber with steel core |
Dimensions & Clearance
| Bore Diameter | 35 mm |
| Outer Diameter | 72 mm |
| Width | 17 mm |
| Seal Type | Non-contact rubber seals (DDU type) |
| Internal Clearance | C3 |
Part Numbers
| Manufacturer Part Number | 6207DDU |
| Cross-Reference Part Numbers | Equivalent to 6207 2RS, NSK 6207DDU, replaces 6207LLU, supersedes 6207DU |
Application
| Typical Use | Manual pallet jack wheel and pump bearing assemblies |
Frequently Asked Questions
Q: What are the dimensions of the 6207DDU bearing?
A: The 6207DDU is a deep groove ball bearing with a 35 mm bore diameter, 72 mm outer diameter, and 17 mm width. These dimensions conform to ISO 15 standard specifications and are directly interchangeable with 6207-series bearings of equivalent class.
Q: What is the difference between 6207DDU and 6207LLU seal types?
A: The 6207DDU features non-contact rubber seals (DDU type) that exclude dirt while minimizing drag and friction, making it ideal for high-speed applications. The 6207LLU uses dual contact rubber seals (LLU type) for superior lubricant retention and dirt exclusion at lower speeds. Both are equivalent replacements depending on your application requirements and operating conditions.
Q: Can the 6207DDU bearing replace other part numbers in this series?
A: Yes. The 6207DDU is directly equivalent to 6207 2RS, NSK 6207DDU, and replaces 6207LLU and 6207DU types. When substituting, verify that C3 clearance (standard internal clearance) is acceptable for your equipment. If the original bearing had different clearance specifications, consult your equipment manual before replacing.
Q: What material is the 6207DDU bearing constructed from?
A: The 6207DDU is constructed from bearing-grade chrome steel (SAE 52100 or GCr15 equivalent) for the raceways and balls, with a pressed steel cage. This material composition provides excellent wear resistance, fatigue strength, and durability for manual pallet jack wheel and pump assemblies.
Q: Which manual pallet jack models use the 6207DDU bearing?
A: The 6207DDU is compatible with manual pallet jacks from Crown, Toyota, Raymond, Yale, Hyster, Jungheinrich, Linde, Clark, Mitsubishi, CAT, and BT equipment. It is commonly used in wheel assemblies and pump bearing support applications. Verify your equipment model and load wheel assembly design to confirm fitment.
Q: How long does a 6207DDU bearing typically last in service?
A: Bearing life depends on load, speed, lubrication, and operating environment. In typical manual pallet jack service, a properly lubricated 6207DDU bearing can provide 3 to 5 years of service. Wet environments, cold storage, or insufficient lubrication reduce lifespan. Inspect bearings regularly for noise, vibration, or play. Replace if degradation is evident.
