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30205A - SNR

30205A

Tapered roller bearing, pressed steel cage

The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter d 25 mm
External diameter D 52 mm
Bearing/Inner ring width(B) 15 mm
Outer ring width (C ) 13 mm
Total width (T) 16,25 mm
External diameter inner ring d1 37,9 mm
Charge load application point a 12,7 mm
Min fillet radius rs 1 mm
Min fillet radius r1s 1 mm
Coef e 0.37
Upper axial load coef (Y2) 1.6
Static axial load coef (Y0) 0.88
Mass 0,153 kg
ISO 355 reference T3CC025
Brand SNR
Product classification image

PRODUCT PERFORMANCE

Dynamic load, C 33,8 kN
Rating life coefficient, A2 1.0
Static load, C0 37 kN
Fatigue limit load, Cu 4,5 kN
Reference thermal speed (Nref) 8900 tr/min
Mechanical Limit Speed Nlim 15000 tr/min
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,419 Hz
Characteristic rolling element frequency, BSF 5,824 Hz
Characteristic outer ring frequency, BPF0 6,702 Hz
Characteristic inner ring frequency, BPFI 9,298 Hz

ABUTMENT

Max shoulder diameter IR da max 31 mm
Min IR shoulder diameter (db min) 30,5 mm
Min shoulder diameter OR Da min 44 mm
Max shoulder diameter OR Da max 46,5 mm
Min OR shoulder diameter Db min 48 mm
Min clearance Ca 2 mm
Min clearance Cb 3 mm
Max fillet radius ra max 1 mm
Maxi fillet radius r1a 1 mm
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ManufacturerReference MAZDA UH71-33-075 CHEVROLET 96316635 MAZDA S083-33-075 DAEWOO 96316635 FORD 4488728

 

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