плавающий подшипник, с коническим отверстием, конусность 1:12, разъемный, с сепаратором, уменьшенный радиальный зазор, суженные поля допусков
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| Подшипник | d mm | D mm | B mm | Подшипник | d mm | D mm | B mm | |
| N1910-K-M1-SP | 50 | 72 | 12 | N1924-K-M1-SP | 120 | 165 | 22 | |
| N1911-K-M1-SP | 55 | 80 | 13 | N1926-K-M1-SP | 130 | 180 | 24 | |
| N1912-K-M1-SP | 60 | 85 | 13 | N1928-K-M1-SP | 140 | 190 | 24 | |
| N1913-K-M1-SP | 65 | 90 | 13 | N1930-K-M1-SP | 150 | 210 | 28 | |
| N1914-K-M1-SP | 70 | 100 | 16 | N1932-K-M1-SP | 160 | 220 | 28 | |
| N1915-K-M1-SP | 75 | 105 | 16 | N1934-K-M1-SP | 170 | 230 | 28 | |
| N1916-K-M1-SP | 80 | 110 | 16 | N1936-K-M1-SP | 180 | 250 | 33 | |
| N1917-K-M1-SP | 85 | 120 | 18 | N1938-K-M1-SP | 190 | 260 | 33 | |
| N1918-K-M1-SP | 90 | 125 | 18 | N1940-K-M1-SP | 200 | 280 | 38 | |
| N1919-K-M1-SP | 95 | 130 | 18 | N1944-K-M1-SP | 220 | 300 | 38 | |
| N1920-K-M1-SP | 100 | 140 | 20 | N1948-K-M1-SP | 240 | 320 | 38 | |
| N1921-K-M1-SP | 105 | 145 | 20 | N1952-K-M1-SP | 260 | 360 | 46 | |
| N1922-K-M1-SP | 110 | 150 | 20 | . | . | . | . |