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NNU Series

NNU 49 series double row cylindrical roller bearings have three integral flanges on the outer ring and no flanges on the inner ring. NNU4917K/W33 NNU4920K/W33 NNU4921K/W33 NNU4922K/W33 NNU4924K/W33 NNU4926K/W33 NNU4926M NNU4928K/W33 NNU4932K/W33 NNU4932M NNU4936K/W33 NNU4938K/W33 NNU4938KM NNU4940K/W33 NNU4944K/W33 NNU3092X2N/YA5 NNU4992/YA5 NNU49/530N/YA6 NNU49/500

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Phone: +86-13675315646

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Cylindrical Roller Bearings

Category:

Cylindrical Roller Bearings

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NNU Series

NNU 49 series double row cylindrical roller bearings have three integral flanges on the outer ring and no flanges on the inner ring.

It available with either a cylindrical or a 1:12 tapered bore (designation suffix K). In machine tool applications, cylindrical roller bearings with a tapered bore are preferred over bearings with a cylindrical bore, because the taper enables more accurate adjustment of clearance or preload during mounting.

Bearings in the NNU 49 series, with a very low cross-sectional height, provide a higher degree of stiffness than bearings in the NN 30 series, but a somewhat lower load carrying capacity.

 

Bearing Number d mm D mm B mm
NNU4917K/W33 85 120 34
NNU4920K/W33 100 140 40
NNU4921K/W33 105 145 40
NNU4922K/W33 110 150 40
NNU4924K/W33 120 165 45
NNU4926K/W33 130 180 50
NNU4926M 130 180 50
NNU4928K/W33 140 190 50
NNU4932K/W33 160 220 60
NNU4932M 160 220 60
NNU4936K/W33 180 250 69
NNU4938K/W33 190 260 69
NNU4938KM 190 260 69
NNU4940K/W33 200 280 180
NNU4944K/W33 220 300 48
NNU3092X2N/YA5 460 620 160
NNU4992/YA5 460 620 160
NNU49/530N/YA6 530 710 180
NNU49/500 500 670 170

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