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Needle bearing

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It is a roller bearing with cylindrical rollers that are both thin and long relative to their diameter. This type of roller is called a needle roller. Despite its smaller cross-section, the bearing still has a high load-bearing capacity. Needle roller bearings are equipped with thin and long rollers (roller diameter D≤5mm, L/D≥2.5, L is the roller length), so The radial structure is compact. When the inner diameter size and load capacity are the same as other types of bearings, the outer diameter is the smallest. It is especially suitable for support structures with limited radial installation dimensions.

Product parameters

Model Old model Dimensions(mm) Rated load(N) Speed min-1 Weight(kg)
d D B Cr Cor Grease lubrication oil lubrication (refer to)
STO25 - 25 52 16 - - - - 0.183
STO20 - 20 47 16 - - - - 0
STO17 - 17 40 16 - - - - 0
STO15 - 15 35 12 - - - - 0
STO50 - 50 90 20 43.5 85 - - 0.617
STO12 - 12 32 12 - - - - 0
STO45 - 45 85 20 40 74 - - 0.574
STO10 - 10 30 12 - - - - 0
STO40 - 40 80 20 - - - - 0
RNAOV4913X3 184913 64 80.5 20 - - - - 0.254
STO35 - 35 72 20 - - - - 0
RNAOV3916X3 184916 77.8 96.8 22 - - - - 0.394
NATV8 NATD8V 8 24 15 - - - - 0
NATV6 NATD6V 6 19 12 - - - - 0
NATV17 NATD17V 17 40 21 - - - - 0
NATV50 NATD50V 50 90 32 - - - - 0
NATV15 NATD15V 15 35 19 - - - - 0
NATV5 NATD5V 5 16 12 - - - - 0
NATV12 NATD12V 12 32 15 - - - - 0
NATV45 NATD45V 45 85 32 - - - - 0

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