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6018NR - NTN

6018NR

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

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.

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Technical datasheet

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PRODUCT DEFINITION
BrandNTN
d - Internal diameter90 mm
D - External diameter140 mm
B - Bearing/Inner ring width24 mm
a min - Min position Groove3,45 mm
a max - Max position groove3,71 mm
rs - Min fillet radius1,5 mm
rNs - Min fillet radius0,5 mm
D3 - Max bottom groove diameter135,23 mm
b min - Min groove width3,1 mm
b max - Max groove width3,4 mm
r0 max - Max bottom groove radius0,6 mm
D4 max - Max outer diameter of assembled stop ring149,7 mm
f - Stop ring thickness2,82 mm
Snap ring referenceR140
Radial clearance classCN
Mass1,02 kg
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PRODUCT PERFORMANCE
C - Dynamic load64,5 kN
C0 - Static load49,5 kN
Cu - Fatigue limit load3,45 kN
f0 - Coefficient15.6
Nlim - Oil lubrication limit speed5600 tr/min
Nlim - Grease lubrication limit speed4700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR98 mm
Da max - Max shoulder diameter OR132 mm
ra max - Max shaft & housing fillet radius1,5 mm
rNa max - Max fillet radius on segment side0,5 mm
Ca min - Mini segment position6,17 mm
Ca max - Max segment position6,53 mm
Db min - Min stop ring position diameter152 mm
Product classification image
Calcul factors image

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