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Double Row Cylindrical Roller Bearings
Designations old spec. boundary dimensions Weight
mm kg
d D B rmin Reference
NNAL6/101.6Q4/C5W33XYA2 5G354920Q 101.6 171.45 133.35 2 13.64
NNU49/25.4 　 127 174.65 75.406 1.5 5.34
NNAL6034X2M/C4W33X 4G154734 170 260 192 2.1 36.15
NNAL6/177.8Q4/W33XYA2C5 5G254735Q 177.8 244.475 161.925 3 23.81
NNAL6/177.8-2Q4/W33XYA2 254936Q 177.8 257.175 196.85 2 34.4
NNAL6036X2-2M/W33X 154836 180 280 219 2.1 49.6
　 4482138K 190 290 100 2.1 24.6
NN3038 3282138 190 290 75 2.1 18.2
NNU3040 3482140 200 310 82 2.1 23
NNAL6/206.375Q4/W33XYA2 254941QU 206.375 285.75 222.25 5 45.4
　 4482952K 260 360 115 2.1 37.1
NNU4152 4482752 260 440 180 4 113
NNU4156 4482756 280 460 180 5 119
　 782756 280 460 200 5 131
NNU4960 4482960 300 420 118 3 52.6
　 5482960K 300 430 150 4 70.8
NNU4160M 4482760H 300 500 200 5 158
NNU4172M 4482772H 360 600 243 5 285
NNU4176M 4482776H 380 420 243 5 291
NNU4180M/W33 4482780HK 400 650 250 6 331
NNU41/600/W33 44827/600K 600 980 375 7.5 1100