Tapered roller bearings 4T-18685/18620 NTN
NTN

Tapered roller bearings 4T-18685/18620

Bearing NTN 4T-18685/18620, Ø44.45×79.375×17.462 mm. Request a quote — worldwide shipping.

Code: 4T-18685/18620
Type Tapered roller bearings
Dimensions Ø 44,45 × 79,375 × 17,462 mm
d44,45Bore Ø (mm)
×
D79,375Outer Ø (mm)
×
B17,462Width (mm)
All bearings 44,45×79,375×17,462 mm Compare all brands with this size
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In stock

Technical specifications

BrandNTN
d - Internal diameter44,45 mm
D - External diameter79,375 mm
B - Bearing/Inner ring width17,462 mm
C - Outer ring width13,495 mm
T - Total width17,462 mm
d1 - External diameter inner ring61 mm
a - Charge load application point15,262 mm
Mass0,347 kg
C - Dynamic load50500000 mN
C0 - Static load56000000 mN
Cu - Fatigue limit load6800000 mN
A2 - Rating life coefficient1
e - Coefficient0.37
Y0 - Static axial load coefficient0.88
Y2 - Upper axial load coefficient1.6
N lim - Oil lubrication limit speed37200 °/s
N lim - Grease lubrication limit speed27600 °/s
Tmin - Min operating temperature233,15 °K
Tmax - Max operating temperature393,15 °K
da max - Max shoulder diameter IR49,5 mm
db min - Min IR shoulder diameter54 mm
Da max - Max shoulder diameter OR71 mm
Db min - Min OR shoulder diameter74 mm
ra max - Max fillet radius2,8 mm
r1a - Max fillet radius1,5 mm
Cone designation4T-18685
Cup designation4T-18620

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NTN 4T-18685/18620