QJ344N2.MPA

Four-point contact bearing, single row, split inner ring, contact angle 35°, 2 holding grooves, brass cage guided on outer shoulder, rings and rolling elements made of high-quality roller bearing steel

Overview

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QJ344N2.MPA

Technical data

*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".

Dimensions

d(mm)220Bore diameter

D(mm)460Outer diameter

W(mm)88Width

r_{s min}(mm)5Minimal edge distance

a(mm)238Span

H(mm)378Shoulder diameter outer ring

J(mm)302Shoulder diameter inner ring

a_n(mm)15Groove depth

b_n(mm)12.5Groove width

r_n(mm)2.5Groove base radius

Contact angle

α(°)35Contact angle

Connecting dimensions

d_{a min}(mm)240Minimal diameter of shaft shoulder

D_{a max}(mm)440Maximal diameter of housing shoulder

r_{a max}(mm)4Maximal rounding radius

Performance data

C_r(kN)900Dynamic load rating, radial

C_0r(kN)1600Static load rating, radial

C_ur(kN)50.8Fatigue limit load, radial

n_G(min^-1)2800Limit speed

n_B(min^-1)1000Reference speed

Mass

kg77Mass