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Double Row Cylindrical Roller Bearing

Double Row Cylindrical Roller Bearing

Double Row Cylindrical Roller Bearing

Description

Features and benefits

High load carrying capacity 

Because of their second row of rollers, double row cylindrical roller bearings are suitable for heavy radial loads.

Low friction (Roller end / flange contact area) 

The open flange design, together with the roller end design and surface finish, promote lubricant film formation resulting in lower friction and higher axial load carrying capacity.

Long service life 

The logarithmic roller profile reduces edge stresses at the roller/raceway contact and sensitivity to misalignment and shaft deflection.


NN4830,NN4830K,NNU4930,NNU4930K,NN3030,NN3030K,NNU4130,NNU4130K,NNU4932,NNU4932K,NN3032,NN3032K,NNU4132,NNU4132K,NNU4934,NNU4934K,NN3034,NN3034K,NNU4134,NNU4134K,NNU4936,NNU4936K,NN3036,NN3036K,NNU4136,NNU4136K,NNU4938,NNU4938K,NN3038,NN3038K,
selectInquiryBearing NO. Old No.Boundary dimensions(mm) Basic load ratings(kN) Limiting speed(rpm) Weight (kg)
dDB/Crsminr2sminCrCorGreaseOil
NN4830 - 150 190 40 1.1 1.1 190 450 2400 3000 2.8
NN4830K - 150 190 40 1.1 1.1 190 450 2400 3000 2.75
NNU4930 4482930 150 210 60 2 2 300 590 2000 2600 6.3
NNU4930K 4382930 150 210 60 2 2 300 590 2000 2600 6.2
NN3030 3282130 150 225 56 2.1 2.1 330 570 2000 2600 7.8
NN3030K 3182130 150 225 56 2.1 2.1 330 570 2000 2600 7.7
NNU4130 - 150 250 100 2.1 2.1 680 1170 1900 2400 18
NNU4130K - 150 250 100 2.1 2.1 680 1170 1900 2400 17.5
NNU4932 4482932 160 220 60 2 2 315 620 2000 2600 6.6
NNU4932K 4382932 160 220 60 2 2 315 620 2000 2600 6.5
NN3032 3282132 160 240 60 2.1 2.1 345 650 1900 2400 8.4
NN3032K 3182132 160 240 60 2.1 2.1 345 650 1900 2400 8.3
NNU4132 - 160 270 109 2.1 2.1 850 1380 1800 2200 25
NNU4132K - 160 270 109 2.1 2.1 850 1380 1800 2200 24.5
NNU4934 4482934 170 230 30 2 2 330 680 2000 2600 7
NNU4934K 4382934 170 230 60 2 2 330 680 2000 2600 6.9
NN3034 3282134 170 260 67 2.1 2.1 435 810 1900 2400 13.3
NN3034K 3182134 170 260 67 2.1 2.1 435 810 1900 2400 12.9
NNU4134 - 170 280 109 2.1 2.1 880 1500 1600 2000 26
NNU4134K - 170 280 109 2.1 2.1 880 1500 1600 2000 25.5
NNU4936 4482936 180 250 69 2 2 400 770 1900 2400 11
NNU4936K 4382936 180 250 69 2 2 400 770 1900 2400 10.5
NN3036 3282136 180 280 74 2.1 2.1 550 1000 1800 2200 17
NN3036K 3182136 180 280 74 2.1 2.1 550 1000 1800 2200 16.5
NNU4136 - 180 300 118 3 3 980 1650 1500 1900 33
NNU4136K - 180 300 118 3 3 980 1650 1500 1900 32.5
NNU4938 4482938 190 260 69 2 2 400 800 1800 2200 11.5
NNU4938K 4382938 190 260 69 2 2 400 800 1800 2200 11
NN3038 3282138 190 290 75 2.1 2.1 560 1000 1600 2000 18
NN3038K 3182138 190 290 75 2.1 2.1 560 1000 1600 2000 17.5
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