QJ308-XL-MPA-S1-C3

Four-point contact bearing

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

Display units

Metric

Imperial

Main Dimensions & Performance Data

d	40 mm	Bore diameter
D	90 mm	Outside diameter
B	23 mm	Width
C_r	84,000 N	Basic dynamic load rating, radial
C_0r	62,000 N	Basic static load rating, radial
C_ur	4,350 N	Fatigue load limit, radial
n_G	15,400 1/min	Limiting speed
n_ϑr	6,400 1/min	Reference speed
≈m	0.755 kg	Weight

Mounting dimensions

d_{a min}	49 mm	Minimum diameter shaft shoulder
D_{a max}	81 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	73.4 mm	Shoulder diameter outer ring
d₁	56.7 mm	Shoulder diameter inner ring
a	46 mm	Distance between the apexes of the pressure cones
α	35 °	Contact angle

Temperature range

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

Downloads:

Your current product variant

Cage	MPA	solid brass cage, outer ring guided
Design, bearing outer ring	S	Standard
Coating	Without
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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