QJ1240-N2-MPA-J30PD-C3

Four-point contact bearing

Four point contact bearing QJ12..-N2-MPA, holding grooves, solid brass cage

Display units

Metric

Imperial

Main Dimensions & Performance Data

d	200 mm	Bore diameter
D	360 mm	Outside diameter
B	70 mm	Width
C_r	520,000 N	Basic dynamic load rating, radial
C_0r	860,000 N	Basic static load rating, radial
C_ur	29,000 N	Fatigue load limit, radial
n_G	3,200 1/min	Limiting speed
n_ϑr	1,770 1/min	Reference speed
≈m	32 kg	Weight

Mounting dimensions

d_{a min}	217 mm	Minimum diameter shaft shoulder
D_{a max}	343 mm	Maximum diameter of housing shoulder
r_{a max}	3 mm	Maximum fillet radius

Dimensions

r_min	4 mm	Minimum chamfer dimension
D₁	303.5 mm	Shoulder diameter outer ring
d₁	259.1 mm	Shoulder diameter inner ring
a	560 mm	Distance between the apexes of the pressure cones
a_n	12.7 mm	Hight retaining slot
b_n	10.5 mm	Width retaining slot
r_n	2 mm	Radius retaining slot
	45 °	Angle retaining slot
α	45 °	Contact angle

Temperature range

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

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Your current product variant

Cage	MPA	solid brass cage, outer ring guided
Design, bearing outer ring	N2	two retaining grooves in the outer ring on one side
Coating	J30##	Bearing or components burnished
Tolerance class	PN	Normal (PN)
Dimensional / heat stabilization	S1	Rings dimensional stabilized up to 200°
Axial internal clearance	C3	Group 3 (C3), bigger than CN

Characteristics

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