
NSK FWF-202540W needle roller cage
- Brand
- NSK
- Category
- Bearings
- Subcategory
- Needle roller cages and components
- Series
- FWF
We reply promptly.
Tell us the quantity you need and request a quote by WhatsApp or email.
Can't find the exact model? Tell us the part number or model you need. We'll track it down and quote it, whether or not it appears in our catalog.
Description
NSK FWF-202540W belongs to needle roller cage, 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 FWF-202540W and any equivalents.
The NSK FWF series needle cage holds and guides the needle rollers inside a bearing. It suits assemblies with tight radial space that still need to carry high loads. MR Industrial Accessories LLC supplies this series to industrial customers in the United States and Latin America.
Reading the FWF code helps you pick the right cage. The letters FWF mark the family. The digits that follow are paired and point to diameter and width values, as in FWF-202540W. The trailing W shows up on every example and signals a variant within the series. The safest way to select a cage is to start from the full part number printed on the bearing or the drawing.
You will find these cages in needle roller bearings used in transmissions, pumps, compressors, machine tools and automation equipment. They also appear in gearboxes, camshafts and guiding mechanisms where radial room is tight, as well as in automotive and agricultural machinery. MR Industrial Accessories LLC supplies them for replacement and maintenance work.
When choosing an FWF cage, check the shaft diameter, the outer diameter and the width of the assembly. Mount the cage in the correct orientation and use proper lubrication to avoid early wear. Shaft-to-housing alignment matters: too much misalignment creates side loads that cut service life. If the original bearing carries a specific suffix, keep it for compatibility.
NSK needle cages may be interchanged with other brands that use the same dimensional nomenclature, but part numbers do not cross over automatically. If you have a cage from another maker or an unidentified part, send the main measurements (inner diameter, outer diameter and width) and we will identify the compatible option. MR Industrial Accessories LLC works with leading brands and can quote the exact reference you need.
If you already have the part number of the FWF cage, send it by WhatsApp or email and the team will reply promptly with a quote. We can also advise you when you need to assemble a complete needle roller bearing arrangement.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the W suffix mean in the FWF series?
- The W suffix marks a construction variant within the FWF series. It appears in all the example part numbers and may refer to a cage type or a particular treatment. To confirm the exact feature, check with the complete part number.
- How do I order an NSK FWF needle cage?
- Send us the complete part number shown on your bearing or drawing via WhatsApp or email. If you don't have it, send the main measurements and we'll help you identify it. We'll quote it promptly.
- Are FWF cages interchangeable with other brands?
- They may be compatible with cages from other brands that share the same dimensions, but there is no automatic equivalence between part numbers. If you send us the part number from another brand or the measurements, we'll tell you the alternative that fits best.

