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PRODUCT>Wheel bearing

wheel bearing inner pt no.33114

Time:2021-10-15 15:28:35 View:0

TAGS: wheel bearing  33114u 

wheel bearing inner pt no.33114


PRODUCT DIMENSIONS


Internal diameter (d)70 mm
External diameter (D)120 mm
Bearing/Inner ring width (B)37 mm
Outer ring width (C )29 mm
Total width (T)37 mm
Charge load application point a28 mm
Min fillet radius (rs)2 mm
Min fillet radius r1s1,5 mm
Coef (e)0.38
Upper axial load coef (Y2)1.58
Static axial load coef (Y0)0.87
Mass1,68 kg
ISO 355 referenceT3DE070
BrandNTN


PRODUCT PERFORMANCE


Dynamic load (C)190 kN
Rating life coefficient, A21.0
Static load (C0)251 kN
Fatigue limit load (Cu)30,5 kN
Nlim (oil)4100 tr/min
Nlim (grease)3100 tr/min
Min operating temperature (Tmin)-40 °C
Max operating temperature (Tmax)120 °C
Characteristic cage frequency, FTF0,437 Hz
Characteristic rolling element frequency, BSF7,62 Hz
Characteristic outer ring frequency, BPF09,622 Hz
Characteristic inner ring frequency, BPFI12,378 Hz

ABUTMENT


Max shoulder diameter IR (da max)80 mm
Min IR shoulder diameter (db min)79 mm
Min shoulder diameter OR Da min101,5 mm
Max shoulder diameter OR (Da max)111,5 mm
Min OR shoulder diameter Db min115,5 mm
Max fillet radius ra max2 mm
Maxi fillet radius r1a1,5 mm


The bearing consists of two rings (inner ring and outer ring) and rolling elements (tapered rollers), which are connected by a cage. The inner ring with cage and rolling elements is CONE. The outer ring is CUP.

Design of tapered roller bearing kits for combined radial and axial loads. The tapered roller bearing adopts a split structure: the inner ring, the roller and the separator form a unit, which can be installed separately from the outer ring.




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