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Description
HR30212J NSKHR30212J ISO 3EB ISO355 dimension series approx. d 60 mm Bore diameter D 110 mm Outside diameter T 23. 75 mm Total width B 22 mm Width of inner ring C 19 mm Width of outer ring Cup r (min.) 1. 5 mm Chamfer dimension of outer ring (Cup) Cone r (min.) 2 mm Chamfer dimension of inner ring (Cone) Cr 127000 N Basic dynamic load rating C0r 123000 N Basic static load rating Grease 3400 min 1 Grease lubrication Oil (Oil bath) 4500 min 1 Oil bath lubrication a
| HR30212J |
| ISO | 3EB | ISO355 dimension series approx. |
| d | 60 | mm | Bore diameter |
| D | 110 | mm | Outside diameter |
| T | 23.75 | mm | Total width |
| B | 22 | mm | Width of inner ring |
| C | 19 | mm | Width of outer ring |
| Cup r (min.) | 1.5 | mm | Chamfer dimension of outer ring (Cup) |
| Cone r (min.) | 2 | mm | Chamfer dimension of inner ring (Cone) |
| Cr | 127000 | N | Basic dynamic load rating |
| C0r | 123000 | N | Basic static load rating |
| Grease | 3400 | min-1 | Grease lubrication |
| Oil (Oil-bath) | 4500 | min-1 | Oil-bath lubrication |
| a | 22 | mm | Effective load center |
| da (min.) | 72 | mm | Diameter of shaft abutment (min) |
| Db (min.) | 103 | mm | Diameter of housing abutment |
| Da (min.) | 96 | mm | Diameter of housing abutment |
| Da (max.) | 101 | mm | Diameter of housing abutment |
| Sa | 4 | mm | Minimum width of space required in housing on large side face |
| Sb | 4.5 | mm | Minimum width of space required in housing on small side face |
| db (max.) | 69 | mm | Diameter of shaft abutment |
| ra (max.) | 2 | mm | Radius of shaft or housing fillet of inner ring |
| ra (max.) | 1.5 | mm | Radius of shaft or housing fillet of outer ring |
| e | 0.41 | Constant | |
| Y0 | 0.81 | Axial load Factors | |
| Y1 | 1.5 | Axial load Factors |
| Mass approx. | 0.93 | kg | Mass approx. |
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Exchange/Return Notes
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4.8 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 4
son comodos
Size: 9, Color: Black/White/Iron Grey
muy satisfecha con esta compra,
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Reviewed in the United States on April 29, 2026
★★★★★ 5
A great everyday companion.
Overall this is a great watch for the price. Swiss Made and the right size for a larger dial vs. others in the class. The dial color is more gray than black which was a plus for me as I was looking for a gray dial. I switched out the band for a black field band bought on Hamilton’s website. I am very happy with the results!
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Reviewed in the United States on November 14, 2025
★★★★★ 5
The Perfect Everyday Watch
This hands down is the best everyday watch. I have a large wrist so the 42mm works perfectly for me. The all brushed titanium looks great. The subdued look and clear dial just only make it better. I didnt want to believe the Hamilton hype but I have to say that Hamilton makes a great solid watch.
If you are looking for the everyday watch that just feels right, is solid, and works, look no further. I am sure the standard version is just as good also.
ALSO, the dial is not black black. It is slightly a grayish tone. At first I hated this detail but after looking at it, it just looks so good.
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Reviewed in the United States on October 12, 2020
★★★★★ 1
Hamilton titanium is worse than mediocre
Where can I start with how bad this watch is? (1) the movement is a derated movement with a low beat rate. This means the seconds hand visibly clicks almost like a quartz watch. (2) the beautiful dial is rarely seen because there is no anti-reflective coating. Instead, you see overhead lighting when you check your watch. (3) the watch is already oversized, but the excessive lug-to-lug length makes this look like a clown watch. Make sure your wrist is 8" or more for this watch. (4) it's dainty for a field watch. The push-down crown easily pops out, making rain or sweat a real watch killer. It's also gets scratched at the slightest touch. (5) the superluminova on the hands and face is so thin that it is worthless. (6) When I say Seiko and Timex make better automatic watches, I don't mean "better value" or "better for the money." I mean that Seiko and Timex have better movements, better styling, better wearability, better durabity, better visability... all around better. The Hamiltons released with the low-beat H-10 are bringing shame to the one-respected Hamilton brand.
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Reviewed in the United States on July 24, 2023
★★★★★ 5
A lot of watch for the money
This rivals my omega “master chronometer” for accuracy. It is within a couple seconds a day. And the titanium case makes it very light and comfortable to wear.
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Reviewed in the United States on May 23, 2024