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NNU Series Cylindrical Roller Bearings — Sizes & Specifications

1449 models in the NNU series, 150–240 mm bore. Every row links to the full specification page and to the cross-reference page of that model.

ModelBrandBore d (mm)OD D (mm)Width B (mm)
NNU4930S.MFAG15021060—
NNU 3130X3ANDGE15022560—
NNU 6030 MSKF150225136—
NNU2130X1ANDGE15022560—
NNU3130X3ANDGE15022560—
NNU 4130ANDGE150250100Cross-ref →
NNU 4130 K30M/W33SKF150250100—
NNU 4130 M/W33SKF150250100—
NNU 4130/W33ANDGE150250100—
NNU 4130K30/W33ANDGE150250100—
NNU4130ANDGE150250100Cross-ref →
NNU4130-MFAG150250100—
NNU4130KANDGE150250100—
NNU 2130X3ANDGE15026060—
NNU 4932ANDGE16022060Cross-ref →
NNU 4932 B/SPW33SKF16022060—
NNU 4932 BK/SPW33SKF16022060—
NNU 4932/W33ANDGE16022060Cross-ref →
NNU 4932BK/SPW33ANDGE16022060—
NNU 4932KANDGE16022060Cross-ref →
NNU 4932K/C9W33ANDGE16022060—
NNU 4932K/W33ANDGE16022060Cross-ref →
NNU 4932K/W33P4ANDGE16022060—
NNU 4932K/W33P5ANDGE16022060—
NNU 4932MANDGE16022060—
NNU 6932 VSKF160220109—
NNU4932ANDGE16022060Cross-ref →
NNU4932NSK16022060Cross-ref →
NNU4932NACHI16022060Cross-ref →
NNU4932NTN16022060Cross-ref →
NNU4932KOYO16022060Cross-ref →
NNU4932-S-K-M-SPFAG16022060—
NNU4932-S-M-SPFAG16022060—
NNU4932/W33ANDGE16022060Cross-ref →
NNU4932B/W33SKF16022060—
NNU4932BK/W33FAG16022060Cross-ref →
NNU4932BK/W33SKF16022060Cross-ref →
NNU4932KNSK16022060Cross-ref →
NNU4932KNTN16022060Cross-ref →
NNU4932KANDGE16022060Cross-ref →
NNU4932K/W33ANDGE16022060Cross-ref →
NNU4932MANDGE16022060—
NNU4932MBNSK16022060—
NNU4932MBE44NSK16022060—
NNU4932MBKRNSK16022060—
NNU4932MBKRE44NSK16022060—
NNU4932S.MFAG16022060—
NNU 6032 MSKF160240145—
NNU 6032 VSKF160240145—
NNU 4132X3/P63/YB4ANDGE160265120—
NNU 4132X3/P64/YB4ANDGE160265120—
NNU 4132ANDGE160270109—
NNU 4132 K30M/W33SKF160270109—
NNU 4132 M/W33SKF160270109—
NNU 4132/W33ANDGE160270109—
NNU 4132K30/W33ANDGE160270109—
NNU4132-MFAG160270109—
NNU4132KANDGE160270109—
NNU 4934ANDGE17023060Cross-ref →
NNU 4934 B/SPW33SKF17023060—
NNU 4934 BK/SPW33SKF17023060—
NNU 4934/P63W33ANDGE17023060—
NNU 4934/W33ANDGE17023060Cross-ref →
NNU 4934BK/SPW33ANDGE17023060—
NNU 4934KANDGE17023060Cross-ref →
NNU 4934K/W33ANDGE17023060Cross-ref →
NNU 4934K/W33P4ANDGE17023060—
NNU 4934K/W33P5ANDGE17023060—
NNU 4934MANDGE17023060—
NNU 5934ANDGE17023080—
NNU 6934 MSKF170230109—
NNU 6934 VSKF170230109—
NNU4934NSK17023060Cross-ref →
NNU4934KOYO17023060Cross-ref →
NNU4934NTN17023060Cross-ref →
NNU4934NACHI17023060Cross-ref →
NNU4934ANDGE17023060Cross-ref →
NNU4934-S-K-M-SPFAG17023060—
NNU4934-S-M-SPFAG17023060—
NNU4934/W33ANDGE17023060Cross-ref →
NNU4934B/W33SKF17023060—
NNU4934BK/W33SKF17023060Cross-ref →
NNU4934BK/W33FAG17023060Cross-ref →
NNU4934KNTN17023060Cross-ref →
NNU4934KNSK17023060Cross-ref →
NNU4934KANDGE17023060Cross-ref →
NNU4934K/W33ANDGE17023060Cross-ref →
NNU4934MBNSK17023060—
NNU4934MBE44NSK17023060—
NNU4934MBKRNSK17023060—
NNU4934MBKRE44NSK17023060—
NNU4934S.MFAG17023060—
NNU 4134ANDGE170280109—
NNU 4134 K30M/W33SKF170280109—
NNU 4134 M/W33SKF170280109—
NNU 4134/W33ANDGE170280109Cross-ref →
NNU 4134K30/W33ANDGE170280109—
NNU4134ANDGE170280109—
NNU4134-MFAG170280109—
NNU4134KANDGE170280109—
NNU 4936ANDGE18025069Cross-ref →
NNU 4936 B/SPW33SKF18025069—
NNU 4936 BK/SPW33SKF18025069—
NNU 4936BK/SPW33ANDGE18025069—
NNU 4936KANDGE18025069Cross-ref →
NNU 4936K/W33ANDGE18025069Cross-ref →
NNU 4936K/W33P4ANDGE18025069—
NNU 4936K/W33P5ANDGE18025069—
NNU 4936K/W33P6ANDGE18025069—
NNU 4936MANDGE18025069—
NNU 6936 MSKF180250125—
NNU 6936 VSKF180250125—
NNU4936KOYO18025069Cross-ref →
NNU4936NSK18025069Cross-ref →
NNU4936NTN18025069Cross-ref →
NNU4936NACHI18025069Cross-ref →
NNU4936ANDGE18025069Cross-ref →
NNU4936-S-K-M-SPFAG18025069—
NNU4936-S-M-SPFAG18025069—
NNU4936/W33ANDGE18025069Cross-ref →
NNU4936B/W33SKF18025069—
NNU4936BK/W33FAG18025069Cross-ref →
NNU4936BK/W33SKF18025069Cross-ref →
NNU4936KNTN18025069Cross-ref →
NNU4936KANDGE18025069Cross-ref →
NNU4936KNSK18025069Cross-ref →
NNU4936K/W33ANDGE18025069Cross-ref →
NNU4936MBNSK18025069—
NNU4936MBE44NSK18025069—
NNU4936MBKRNSK18025069—
NNU4936MBKRE44NSK18025069—
NNU4936S.MFAG18025069—
NNU 4936X3/W33C9ANDGE18026084—
NNU 5936X3/C4W33ANDGE18026084—
NNU 3036K/W33ANDGE18028074—
NNU 6036 VSKF180280180—
NNU 4136ANDGE180300118—
NNU 4136 K30M/W33SKF180300118—
NNU 4136 M/W33SKF180300118—
NNU 4136/W33ANDGE180300118Cross-ref →
NNU 4136K30/W33ANDGE180300118—
NNU4136ANDGE180300118—
NNU4136-MFAG180300118—
NNU4136KANDGE180300118—
NNU 4938ANDGE19026069Cross-ref →
NNU 4938 B/SPW33SKF19026069—
NNU 4938 BK/SPW33SKF19026069—
NNU 4938/C4YA4ANDGE19026069—
NNU 4938/W33ANDGE19026069Cross-ref →
NNU 4938/W33AANDGE19026069—
NNU 4938B-W33ANDGE19026069—
NNU 4938BK/SPW33ANDGE19026069—
NNU 4938KANDGE19026069Cross-ref →
NNU 4938K/P491ANDGE19026069—
NNU 4938K/P5ANDGE19026069—
NNU 4938K/W33ANDGE19026069Cross-ref →
NNU 4938K/W33P4ANDGE19026069—
NNU 4938K/W33P5ANDGE19026069—
NNU 4938K/W33P6ANDGE19026069—
NNU 4938KMANDGE19026069—
NNU 4938KM/P5ANDGE19026069—
NNU 4938MANDGE19026069—
NNU4938NSK19026069Cross-ref →
NNU4938KOYO19026069Cross-ref →
NNU4938NTN19026069Cross-ref →
NNU4938NACHI19026069Cross-ref →
NNU4938ANDGE19026069Cross-ref →
NNU4938-S-K-M-SPFAG19026069—
NNU4938-S-M-SPFAG19026069—
NNU4938/W33ANDGE19026069Cross-ref →
NNU4938B-W33ANDGE19026069—
NNU4938B/W33SKF19026069—
NNU4938BK/W33FAG19026069Cross-ref →
NNU4938BK/W33SKF19026069Cross-ref →
NNU4938KNTN19026069Cross-ref →
NNU4938KANDGE19026069Cross-ref →
NNU4938KNSK19026069Cross-ref →
NNU4938K/W33ANDGE19026069Cross-ref →
NNU4938KMANDGE19026069—
NNU4938KM/P5ANDGE19026069—
NNU4938MBNSK19026069—
NNU4938MBE44NSK19026069—
NNU4938MBKRNSK19026069—
NNU4938MBKRE44NSK19026069—
NNU4938S.MFAG19026069—
NNU 4138/P59ANDGE190290100—
NNU 6038 MSKF190290180—
NNU 6038 VSKF190290180—
NNU4038ANDGE190290100—
NNU4038/W33XANDGE190290100—
NNU6038ANDGE190290180—
NNU 4138ANDGE190320128Cross-ref →
NNU 4138 K30M/W33SKF190320128—
NNU 4138 M/W33SKF190320128—
NNU 4138/W33ANDGE190320128Cross-ref →
NNU 4138K30/WANDGE190320128—
NNU4138ANDGE190320128Cross-ref →
NNU4138-MFAG190320128—
NNU4138KANDGE190320128—
NNU42/199.5X2ANDGE199.5360148—
NNU 4840ANDGE20025050—
NNU 4840 K/W33SKF20025050—
NNU 4840/W33SKF20025050—
NNU4840ANDGE20025050—
NNU4840KANDGE20025050—
NNU 4940ANDGE20028080Cross-ref →
NNU 4940 B/SPW33SKF20028080—
NNU 4940 BK/SPW33SKF20028080—
NNU 4940/W33ANDGE20028080Cross-ref →
NNU 4940BK/SPW33ANDGE20028080—
NNU 4940KANDGE20028080Cross-ref →
NNU 4940K/W33ANDGE20028080Cross-ref →
NNU 4940K/W33P4ANDGE20028080—
NNU 4940K/W33P5ANDGE20028080—
NNU 4940K/W33S3ANDGE20028080—
NNU 4940MANDGE20028080—
NNU4940NSK20028080Cross-ref →
NNU4940KOYO20028080Cross-ref →
NNU4940NTN20028080Cross-ref →
NNU4940NACHI20028080Cross-ref →
NNU4940ANDGE20028080Cross-ref →
NNU4940-S-K-M-SPFAG20028080—
NNU4940-S-M-SPFAG20028080—
NNU4940/W33ANDGE20028080Cross-ref →
NNU4940B/W33SKF20028080—
NNU4940BK/W33SKF20028080Cross-ref →
NNU4940BK/W33FAG20028080Cross-ref →
NNU4940KNSK20028080Cross-ref →
NNU4940KNTN20028080Cross-ref →
NNU4940KANDGE20028080Cross-ref →
NNU4940K/W33ANDGE20028080Cross-ref →
NNU4940MBNSK20028080—
NNU4940MBE44NSK20028080—
NNU4940MBKRNSK20028080—
NNU4940MBKRE44NSK20028080—
NNU4940S.MFAG20028080—
NNU 6040 MSKF200310200—
NNU 6040 V/W33SKF200310200—
NNU3040ANDGE20031082—
NNU3040/YA4ANDGE20031082—
NNU 4140ANDGE200340140—
NNU 4140 K30M/W33SKF200340140—
NNU 4140 M/W33SKF200340140—
NNU 4140/W33ANDGE200340140—
NNU 4140K30/W33ANDGE200340140—
NNU4140ANDGE200340140—
NNU4140-MFAG200340140—
NNU 4944ANDGE22030080Cross-ref →
NNU 4944 B/SPW33SKF22030080—
NNU 4944 BK/SPW33SKF22030080—
NNU 4944/P53W33ANDGE22030080—
NNU 4944/W33ANDGE22030080Cross-ref →
NNU 4944BK/SPW33ANDGE22030080—
NNU 4944KANDGE22030080Cross-ref →
NNU 4944K/P51W33ANDGE22030080—
NNU 4944K/SPC1W33ANDGE22030080—
NNU 4944K/W33ANDGE22030080Cross-ref →
NNU 4944K/W33P4ANDGE22030080—
NNU 4944K/W33P5ANDGE22030080—
NNU 4944K/W33P6ANDGE22030080—
NNU 4944MANDGE22030080—
NNU 5944X2ANDGE220300100—
NNU 6944 MSKF220300145—
NNU 6944 VSKF220300145—
NNU4944NTN22030080Cross-ref →
NNU4944NACHI22030080Cross-ref →
NNU4944ANDGE22030080Cross-ref →
NNU4944KOYO22030080Cross-ref →
NNU4944NSK22030080Cross-ref →
NNU4944-S-K-M-SPFAG22030080—
NNU4944-S-M-SPFAG22030080—
NNU4944/W33ANDGE22030080Cross-ref →
NNU4944B/W33SKF22030080—
NNU4944BK/W33FAG22030080Cross-ref →
NNU4944BK/W33SKF22030080Cross-ref →
NNU4944EAANDGE22030080—
NNU4944KNSK22030080Cross-ref →
NNU4944KNTN22030080Cross-ref →
NNU4944KANDGE22030080Cross-ref →
NNU4944K/W33ANDGE22030080Cross-ref →
NNU4944S.MFAG22030080—
NNU 6044 MSKF220340218—
NNU 4144ANDGE220370150—
NNU 4144 K30M/W33SKF220370150—
NNU 4144 M/W33SKF220370150—
NNU 4144/W33ANDGE220370150—
NNU 4144K30/W33ANDGE220370150—
NNU4144ANDGE220370150—
NNU4144-MFAG220370150—
NNU4144KANDGE220370150—
NNU 4848ANDGE24030060—
NNU 4848 K/W33SKF24030060—
NNU 4848/W33SKF24030060—
NNU4848ANDGE24030060—
NNU4848KANDGE24030060—
NNU 4948ANDGE24032080Cross-ref →
NNU 4948 B/SPW33SKF24032080—
NNU 4948 BK/SPW33SKF24032080—
NNU 4948/C3W33ANDGE24032080—
NNU 4948/P53W33ANDGE24032080—

About the NNU series

NNU series bearings follow the ISO dimension plan for this family, so a given number is dimensionally interchangeable between brands - see the cross-reference to confirm. Choose the suffix for your duty: shields for dry, clean positions, contact seals for wet or dusty ones, and a larger clearance class where the fit or temperature demands it.

Other Cylindrical Roller Bearings series: NU · NJ · N · NUP · NN · FC · LSE · NF