NTN main spindle bearings enjoy very large market share, it mainly includes double row cylindrical roller bearings and four row cylindrical roller bearings. The double row bearings include NN type and NNU type, both types are available in cylindrical bore and tapered bore designs. These bearings are widely used for applications requiring thin-walled bearings, like main shafts of machine tools, rolling machine tools and printing press equipments, so it also called main spindle bearings.
The technical data of NTN bearings NNU4940,
NTN bearings standard NO. : NNU4940, NNU4940K, NN4940, NN4940K
Dimension : 200 mm x 280mm x 80 mm
Basic load : 555 Kn - 1180 kn
Limiting speed : 2900-3500 1/min
Our stock list for NTN main spindle bearings,
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NN3005
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NN3005K
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NNU4920
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NNU4920K
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NN3006
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NN3006K
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NNU4921
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NNU4921K
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NN3007
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NN3007K
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NNU4922
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NNU4922K
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NN3008
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NN3008K
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NNU4924
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NNU4924K
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NN3009
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NN3009K
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NNU4926
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NNU4926K
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NN3010
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NN3010K
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NNU4928
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NNU4928K
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NN3011
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NN3011K
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NNU4930
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NNU4930K
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NN3012
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NN3012K
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NNU4932
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NNU4932K
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NN3013
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NN3013K
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NNU4934
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NNU4934K
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NN3014
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NN3014K
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NNU4936
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NNU4936K
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NN3015
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NN3015K
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NNU4938
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NNU4938K
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NN3016
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NN3016K
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NNU4940
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NNU4940K
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NN3017
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NN3017K
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NNU4944
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NNU4944K
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NN3018
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NN3018K
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NNU4948
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NNU4948K
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NN3019
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NN3019K
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NNU4952
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NNU4952K
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NN3020
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NN3020K
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NNU4956
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NNU4956K
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NN3021
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NN3021K
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NNU4960
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NNU4960K
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NN3022
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NN3022K
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NNU4964
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NNU4964K
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NN3024
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NN3024K
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NNU4968
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NNU4968K
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NN3026
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NN3026K
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NNU4972
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NNU4972K
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NN3028
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NN3028K
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NNU4976
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NNU4976K
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NN3030
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NN3030K
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NNU4980
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NNU4980K
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NN3032
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NN3032K
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NNU4984
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NNU4984K
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NN3034
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NN3034K
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NNU4988
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NNU4988K
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NN3036
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NN3036K
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NNU4992
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NNU4992K
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NN3038
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NN3038K
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NNU4996
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NNU4996K
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NN3040
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NN3040K
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NN3044
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NN3044K
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NN3048
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NN3048K
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NN3052
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NN3052K
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NN3056
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NN3056K
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NN3060
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NN3060K
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NN3064
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NN3064K
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NN3068
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NN3068K
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NN3072
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NN3072K
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NN3076
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NN3076K
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NN3080
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NN3080K
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NN3084
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NN3084K
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NN3088
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NN3088K
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NN3092
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NN3092K
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If you are interested in NTN double row cylindrical roller bearings, NTN four row cylindrical roller bearings , as well as NTN high speed and heavy load bearings, just contact our Yakang bearings. We have established strong business cooperation with the machine tools customers for NTN main spindle bearings, welcome contact us in this regard