NSK WJ-404616 needle roller cage
- Brand
- NSK
- Category
- Bearings
- Subcategory
- Needle roller cages and components
- Series
- WJ
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Description
NSK WJ-404616 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 WJ-404616 and any equivalents.
Needle roller cages in the NSK WJ series are formed-steel components that keep needle rollers evenly spaced and properly guided inside a bearing assembly. They suit arrangements where radial room is tight, helping to lower friction and simplify installation in transmission and linear motion equipment.
Reading a WJ code is straightforward. The digits that follow the series prefix give the bore, outside diameter and width in millimeters, in that order. So WJ-101410 describes a cage built for a 10 mm bore, a 14 mm outside diameter and a 10 mm width. In the same way, WJ-162112 covers a 16 mm bore, 21 mm outside diameter and 12 mm width. Once you know the pattern, you can identify a size from the code alone.
These cages show up in automotive work, machine tools, packaging lines, power transmission and agricultural equipment. Maintenance teams also meet them in gearbox repairs, pumps, compressors and roller systems. Because the profile is compact, the design fits confined spaces while still handling radial loads and keeping the assembly rigid.
Correct selection starts with three measurements: shaft diameter, housing bore and the width you have available. The cage should seat without sloppy clearance yet still let the needles turn freely. During installation, check alignment and keep impacts away from the lips, since they can deform easily. Lubrication matters as well; choose an oil or grease that suits the cage material and the operating conditions. If a cage is damaged, fit new needles along with it.
NSK WJ cages can often be replaced by cages from other makers that use the same dimensional designation and needle type, provided the dimensions and tolerances line up. Confirm the cage material and tolerance class before substituting, because not every series crosses over. Send the original part code and our team will point you to a compatible equivalent.
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
- How do I read the numbers in an NSK WJ cage code?
- The numbers after WJ give the bore, outside diameter and width in millimeters. For instance, WJ-101410 means a 10 mm bore, 14 mm outside diameter and 10 mm width.
- What do I need to measure before choosing a needle roller cage?
- Check the shaft diameter, the housing bore and the available width. The cage must fit without excessive clearance while allowing the needles to rotate freely. If you have the original code, share it and we will help confirm the size.
- Can I use a cage from another brand in place of an NSK WJ cage?
- Sometimes, if the other cage follows the same dimensional designation and uses the same needle type. Always verify tolerances and material first. Send us the code and we will suggest a compatible equivalent.