6308ZZNR/5K - NTN


Deep groove ball bearing, radial contact, pressed steel cage, snap ring & groove on outer diameter, shields on both sides

The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.


3D file

Technical datasheet

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d - Internal diameter40 mm
D - External diameter90 mm
B - Bearing/Inner ring width23 mm
a min - Min position Groove3,07 mm
a max - Max position groove3,28 mm
rs - Min fillet radius1,5 mm
rNs - Min fillet radius0,5 mm
D3 - Max bottom groove diameter86,79 mm
b min - Min groove width2,7 mm
b max - Max groove width3 mm
r0 max - Max bottom groove radius0,6 mm
D4 max - Max outer diameter of assembled stop ring96,5 mm
f - Stop ring thickness2,46 mm
Snap ring referenceR90
Radial clearance classCN
Mass0,63 kg
Product classification image
C - Dynamic load45 kN
C0 - Static load24 kN
Cu - Fatigue limit load1,83 kN
f0 - Coefficient13.2
Nlim - Grease lubrication limit speed7800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature150 °C
da min - Min shoulder diameter IR48 mm
Da max - Max shoulder diameter OR82 mm
ra max - Max shaft & housing fillet radius1,5 mm
rNa max - Max fillet radius on segment side0,5 mm
Ca min - Mini segment position5,43 mm
Ca max - Max segment position5,74 mm
Db min - Min stop ring position diameter98 mm
Product classification image
Calcul factors image

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