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6018NRC4 - NTN

6018NRC4

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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Specs

PRODUCT DEFINITION

d - Internal diameter 90 mm
D - External diameter 140 mm
B - Bearing/Inner ring width 24 mm
a min - Min position Groove 3,45 mm
a max - Max position groove 3,71 mm
Ca min - Mini segment position 6,17 mm
Ca max - Max segment position 6,53 mm
rs - Min fillet radius 1,5 mm
rNs - Min fillet radius 0,5 mm
D3 - Max bottom groove diameter 135,23 mm
b min - Min groove width 3,1 mm
b max - Max groove width 3,4 mm
r0 max - Max bottom groove radius 0,6 mm
D4 max - Max outer diameter of assembled stop ring 149,7 mm
f - Stop ring thickness 2,82 mm
Snap ring reference R140
Radial clearance class C4
Mass 1,175 kg
Brand NTN
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PRODUCT PERFORMANCE

C - Dynamic load 64,5 kN
C0 - Static load 49,5 kN
Cu - Fatigue limit load 3,45 kN
f0 - Coefficient 15.6
Nlim - Oil lubrication limit speed 5600 tr/min
Nlim - Grease lubrication limit speed 4700 tr/min
Tmin - Min operating temperature -40 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

da min - Min shoulder diameter IR 98 mm
Da max - Max shoulder diameter OR 132 mm
ra max - Max shaft & housing fillet radius 1,5 mm
rNa max - Max fillet radius on segment side 0,5 mm
Db min - Min stop ring position diameter 152 mm
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