Heavy Duty Needle Roller Bearings (Machined)

Needle Roller Bearings are bearings for rotary motion that use needle-shaped thin rollers as rolling elements. Compared to ball bearings, they have low sectional height and large load capacity. As a machine part, they help save space by making the whole machine compact. They play an important role in a wide range of products such as automobiles, motorcycles, printing machines, industrial robots and construction machinery.

FILTERS

Bore Dia

50 mm(13)

52 mm(4)

55 mm(11)

58 mm(2)
Outer Dia

62 mm(3)

65 mm(3)

68 mm(11)

72 mm(9)

80 mm(3)

85 mm(1)
Width

20 mm(4)

22 mm(8)

23 mm(1)

25 mm(7)

28 mm(2)

35 mm(4)

40 mm(3)

45 mm(1)

Part Number	ID	OD	Width	Inner RIng	Shield Type
NA4910-RSR-XL	50 mm	72 mm	23 mm	Yes	Single seal
NA4910-XL	50 mm	72 mm	22 mm	Yes	Open
NA6910-ZW-XL	50 mm	72 mm	40 mm	Yes	Open
NAO50X68X20-IS1-XL	50 mm	68 mm	20 mm	Yes	Open
NKS50-XL	50 mm	65 mm	22 mm	No	Open
NK50/25-TV-XL	50 mm	62 mm	25 mm	No	Open
NK50/35-TV-XL	50 mm	62 mm	35 mm	No	Open
NKIS50-XL	50 mm	80 mm	28 mm	Yes	Open
NKI50/25-XL	50 mm	68 mm	25 mm	Yes	Open
NKI50/35-XL	50 mm	68 mm	35 mm	Yes	Open
RNAO50X62X20-XL	50 mm	62 mm	20 mm	No	Open
RNAO50X65X20-XL	50 mm	65 mm	20 mm	No	Open
RNAO50X65X40-ZW-ASR1-XL	50 mm	65 mm	40 mm	No	Open
RNA4909-2RSR-XL	52 mm	68 mm	22 mm	No	Double seals
RNA4909-RSR-XL	52 mm	68 mm	22 mm	No	Single seal
RNA4909-XL	52 mm	68 mm	22 mm	No	Open
RNA6909-ZW-XL	52 mm	68 mm	40 mm	No	Open
NA4911-XL	55 mm	80 mm	25 mm	Yes	Open
NA6911-ZW-XL	55 mm	80 mm	45 mm	Yes	Open
NKS55-XL	55 mm	72 mm	22 mm	No	Open
NK55/25-D-XL	55 mm	68 mm	25 mm	No	Open
NK55/25-XL	55 mm	68 mm	25 mm	No	Open
NK55/35-XL	55 mm	68 mm	35 mm	No	Open
NKIS55-XL	55 mm	85 mm	28 mm	Yes	Open
NKI55/25-TV-XL	55 mm	72 mm	25 mm	Yes	Open
NKI55/25-TW-XL	55 mm	72 mm	25 mm	Yes	Open
NKI55/35-XL	55 mm	72 mm	35 mm	Yes	Open
RNAO55X68X20-XL	55 mm	68 mm	20 mm	No	Open
RNA4910-2RSR-XL	58 mm	72 mm	22 mm	No	Double seals
RNA4910-RSR-XL	58 mm	72 mm	22 mm	No	Single seal

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