Double row cylindrical roll Bearings
基本尺寸 基本额定负荷 原代号 现代号 极限转速 重量
Principal dimensions Basic load ratings Old_spec Designations Speed ratings Weight
脂润滑 油润滑
d D B rsmin r2smin dyc_Cr stc_Cor Grease Oil
mm KN   r/min kg
150 190 40 1.1 1.1 190 450 2400 3000 - NN4830 2.8
150 190 40 1.1 1.1 190 450 2400 3000 - NN4830K 2.75
150 210 60 2 2 300 590 2000 2600 4482930 NNU4930 6.3
150 210 60 2 2 300 590 2000 2600 4382930 NNU4930K 6.2
150 225 56 2.1 2.1 330 570 2000 2600 3282130 NN3030 7.8
150 225 56 2.1 2.1 330 570 2000 2600 3182130 NN3030K 7.7
150 250 100 2.1 2.1 680 1170 1900 2400 - NNU4130 18
150 250 100 2.1 2.1 680 1170 1900 2400 - NNU4130K 17.5
160 220 60 2 2 315 620 2000 2600 4482932 NNU4932 6.6
160 220 60 2 2 315 620 2000 2600 4382932 NNU4932K 6.5
160 240 60 2.1 2.1 345 650 1900 2400 3282132 NN3032 8.4
160 240 60 2.1 2.1 345 650 1900 2400 3182132 NN3032K 8.3
160 270 109 2.1 2.1 850 1380 1800 2200 - NNU4132 25
160 270 109 2.1 2.1 850 1380 1800 2200 - NNU4132K 24.5
170 230 30 2 2 330 680 2000 2600 4482934 NNU4934 7
170 230 60 2 2 330 680 2000 2600 4382934 NNU4934K 6.9
170 260 67 2.1 2.1 435 810 1900 2400 3282134 NN3034 13.3
170 260 67 2.1 2.1 435 810 1900 2400 3182134 NN3034K 12.9
170 280 109 2.1 2.1 880 1500 1600 2000 - NNU4134 26
170 280 109 2.1 2.1 880 1500 1600 2000 - NNU4134K 25.5
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