
NSK F 691 XZZ deep groove ball bearing
- Brand
- NSK
- Category
- Bearings
- Subcategory
- Deep groove ball bearings
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Description
NSK F 691 XZZ belongs to deep groove ball bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for F 691 XZZ and any equivalents.
The NSK F XZZ is a single-row deep groove ball bearing that comes with metal shields on both sides. Those shields keep lubricant in and contaminants out, which is why this series shows up in electric motors, fans, pumps and transmission equipment. The design is compact and works in many positions, so it fits both new assemblies and replacements. MR Industrial Accessories supplies this line and can help you match the right part number to your equipment.
Reading the part number helps you order correctly. The F at the start is NSK's code for a flanged or special-section bearing. The digits that follow give the size and dimensional series. The XZZ suffix means there are metal shields on both sides. Part numbers such as F 601 XZZ, F 602 XZZ, F 681 XZZ, F 682 XZZ, F 691 XZZ and F 692 XZZ all follow the same pattern. Send us the complete number and we can quote that exact reference.
These bearings appear in food processing, metallurgy, textile and plastics operations. Typical equipment includes electric motors, fans, centrifugal pumps, small compressors and machine tools. Their small envelope and capacity for moderate radial and axial loads suit light transmissions and precision mechanisms. Maintenance workshops and process plants keep them on hand for both planned work and breakdowns.
When selecting a bearing, look at shaft diameter, load type, rotation speed and the environment. The ZZ shield works well where dust or humidity is moderate, since it holds grease in and blocks particles. During mounting, check shaft and housing alignment, and apply fitting force without striking the raceway. Factory lubrication normally covers the service life, though demanding applications may call for relubrication.
If you are replacing a bearing from another brand, the NSK F XZZ series has equivalents with similar lines. Interchangeability comes down to the main dimensions: bore, outer diameter and width. With those figures we can point you to the equivalent NSK part number or a compatible alternative. Always confirm tolerances and internal clearance for your application.
To get a quote for an NSK F XZZ series bearing, send the full part number on WhatsApp. MR Industrial Accessories replies promptly with the quote and the technical details you need. If the designation is unclear, send a photo or the equipment data and we will help identify it.
Dimensions
- Bore
- 1.5 mm
Frequently asked questions
- What does the XZZ suffix mean on an NSK bearing?
- It means the bearing has metal shields on both sides. These shields keep contaminants out and retain lubrication, so the bearing suits environments with moderate dust or humidity.
- How do I request a quote for an F 601 XZZ bearing?
- Send the complete part number F 601 XZZ on WhatsApp, or give us the bearing dimensions you need. We will quote promptly and confirm that reference.
- Can this bearing be used in an electric motor?
- Yes, F XZZ series deep groove ball bearings are common in low and medium power electric motors. Check the shaft and housing dimensions, then ask us to confirm the exact part number.

