THK RU42 Cross-Roller Ring (20 x 70 x 12 mm)
THK · MPN RU42UUC0 · Maglev ID ac-thk-ru42
JP Maker in Japan, factory not confirmed unknown VERIFIED
THK's RU42 one-piece cross-roller ring with mounting holes, the reference part Chinese RU-type bearings copy.
Specifications
| Bore | 20 mm |
|---|---|
| Outside diameter | 70 mm |
| Width | 12 mm |
| Basic dynamic load rating C | 7.35 kN |
| Type | Crossed roller, integral inner and outer rings with mounting holes (RU type) |
| Basic static load rating C0 | 8.35 kN |
Who makes it
MakerTHK Co., Ltd.
Based inJapan
RoleBrand owner
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
CN
43.3%
TW
10%
VN
18.3%
IN
15.8%
JP
12.5%
KR
12.5%
DE
10%
MX
15.8%
US
0%
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
Loading duty data…
Compliance
| HTS classification | 8482.50.0000 |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | Distributor lists country of origin JP 'for reference only'. |
Equivalents from other makers
Sources
- https://tech.thk.com/en/products/pdf/en_a18_022.pdfTHK catalog A18-22 RU table (d, D, B, C, C0, mass)
- https://acorn-ind.co.uk/p/ru42uuc0-thkprice, country of origin, image
Record confidence: VERIFIED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.