Tapered roller bearings 4T-30308D NTN
NTN

Tapered roller bearings 4T-30308D

Bearing NTN 4T-30308D, Ø40×90×23 mm. Request a quote — worldwide shipping.

Code: 4T-30308D
Type Tapered roller bearings
Dimensions Ø 40 × 90 × 23 mm
d40Bore Ø (mm)
×
D90Outer Ø (mm)
×
B23Width (mm)
All bearings 40×90×23 mm Compare all brands with this size
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In stock

Technical specifications

BrandNTN
d - Internal diameter40 mm
D - External diameter90 mm
B - Bearing/Inner ring width23 mm
C - Outer ring width17 mm
T - Total width25,25 mm
d1 - External diameter inner ring67 mm
a - Charge load application point29,5 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius1,5 mm
Mass0,727 kg
ISO 355 referenceT7FB040
C - Dynamic load85500000 mN
C0 - Static load85500000 mN
Cu - Fatigue limit load10400000 mN
A2 - Rating life coefficient1
e - Coefficient0.83
Y0 - Static axial load coefficient0.4
Y2 - Upper axial load coefficient0.73
N lim - Oil lubrication limit speed31200 °/s
N lim - Grease lubrication limit speed23400 °/s
Tmin - Min operating temperature233,15 °K
Tmax - Max operating temperature393,15 °K
da max - Max shoulder diameter IR50 mm
db min - Min IR shoulder diameter50 mm
Da min - Min shoulder diameter OR71 mm
Da max - Max shoulder diameter OR81,5 mm
Db min - Min OR shoulder diameter107 mm
Ca - Min clearance3 mm
Cb - Min clearance8 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius1,5 mm

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Equivalents In stock
NTN 4T-30308D