Rim lagerining standart geometrik rejasi va o‘lchamlari belgilari d D B minimal filеt r1 = 0.3–1.0 mm faset c = 0.3–1.5 mm o‘rtacha pitch diametri Dm = (D + d)/2 ichki ramka d1 tashqi ramka D2 radial bo‘shliq sinflari C2 C3 toleranslar H7/h6 yuzaki qattiqlik Ra ≤0.8 µm o‘lchov birligi mm