QJ260-N2-MPA Bearing

Four point contact bearing QJ2..-N2-MPA, holding grooves, solid brass cage Replaces QJ260N2MPA

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Product Introduction

d	300 mm	Bore diameter
D	540 mm	Outside diameter
B	85 mm	Width
C_r	920,000 N	Basic dynamic load rating, radial
C_0r	1,940,000 N	Basic static load rating, radial
C_ur	53,000 N	Fatigue load limit, radial
n_G	2,050 1/min	Limiting speed
n_ϑr	920 1/min	Reference speed
≈m	91.4 kg	Weight

Mounting dimensions

d_{a min}	320 mm	Minimum diameter shaft shoulder
D_{a max}	520 mm	Maximum diameter of housing shoulder
r_{a max}	4 mm	Maximum fillet radius

Dimensions

r_min	5 mm	Minimum chamfer dimension
D₁	455.8 mm	Shoulder diameter outer ring
d₁	387.45 mm	Shoulder diameter inner ring
a	294.1 mm	Distance between the apexes of the pressure cones
a_n	20 mm	Hight retaining slot
b_n	15.5 mm	Width retaining slot
r_n	3 mm	Radius retaining slot
	45 °	Angle retaining slot
α	35 °	Contact angle

Temperature range

T_min	-30 °C	Operating temperature min.
T_max	200 °C	Operating temperature max.