Detailed description
Tapered roller bearings T4DB170
main dimensions to DIN ISO 355, separable, adjusted or in pairs
d 170 mm
D 230 mm
T 32 mm
a 45 mm ≈
B 30 mm
C 23 mm
Ca min 6 mm
Cb min 9 mm
Da max 216 mm
Da min 214 mm
Db min 223 mm
d1 199 mm ≈
da max 182 mm
db min 185 mm
r1, 2 min 3 mm
r3, 4 min 3 mm
ra max 3 mm
rb max 3 mm
m 3,47 kg ≈ Mass
Cr 228000 N Basic dynamic load rating, radial
C0r 390000 N Basic static load rating, radial
e 0,46
Y 1,3
Y0 0,72
Cur 44000 N Fatigue limit load, radial
nG 2950 1/min Limiting speed
nB 1800 1/min Reference speed













