QJ307-XL-N2-MPA

Four-point contact bearing

Four point contact bearing QJ3..-XL-N2-MPA, X-life, holding grooves, solid brass cage

Display units

Metric

Imperial

Main Dimensions & Performance Data

d	35 mm	Bore diameter
D	80 mm	Outside diameter
B	21 mm	Width
C_r	61,000 N	Basic dynamic load rating, radial
C_0r	46,500 N	Basic static load rating, radial
C_ur	3,200 N	Fatigue load limit, radial
n_G	17,900 1/min	Limiting speed
n_ϑr	7,200 1/min	Reference speed
≈m	0.55 kg	Weight

Mounting dimensions

d_{a min}	44 mm	Minimum diameter shaft shoulder
D_{a max}	71 mm	Maximum diameter of housing shoulder
r_{a max}	1.5 mm	Maximum fillet radius

Dimensions

r_min	1.5 mm	Minimum chamfer dimension
D₁	64.8 mm	Shoulder diameter outer ring
d₁	50.8 mm	Shoulder diameter inner ring
a	41 mm	Distance between the apexes of the pressure cones
a_n	4 mm	Hight retaining slot
b_n	5.5 mm	Width retaining slot
r_n	0.5 mm	Radius retaining slot
	45 °	Angle retaining slot
α	35 °	Contact angle

Temperature range

T_min	-30 °C	Operating temperature min.
T_max	150 °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	Without
Tolerance class	PN	Normal (PN)
Dimensional / heat stabilization	S0	Rings dimensional stabilized up to 150°
Axial internal clearance	CN	Group N (CN)

Characteristics

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