PRODUCTS


FAG
QJ312-XL-N2-MPA
Four-point contact bearing QJ312-XL-N2-MPA
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Main Dimensions & Performance Data
d
60 mm
Bore diameter
D
130 mm
Outside diameter
B
31 mm
Width
Cr
152,000 N
Basic dynamic load rating, radial
C0r
126,000 N
Basic static load rating, radial
Cur
9,200 N
Fatigue load limit, radial
nG
10,400 1/min
Limiting speed
nϑr
4,700 1/min
Reference speed
≈m
2.1 kg
Weight

Mounting dimensions
da min
72 mm
Minimum diameter shaft shoulder
Da max
118 mm
Maximum diameter of housing shoulder
ra max
2.1 mm
Maximum fillet radius

Dimensions
rmin
2.1 mm
Minimum chamfer dimension
D1
106.9 mm
Shoulder diameter outer ring
d1
84.24 mm
Shoulder diameter inner ring
a
66.5 mm
Distance between the apexes of the pressure cones
an
8.1 mm
Hight retaining slot
bn
6.5 mm
Width retaining slot
rn
1 mm
Radius retaining slot
45 °
Angle retaining slot
α
35 °
Contact angle

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
150 °C
Operating temperature max.

Your current product variant
Design, bearing outer ringN2two retaining grooves in the outer ring on one side
CageMPAsolid brass cage, outer ring guided
Tolerance classPNNormal (PN)
Dimensional / heat stabilization S0Rings dimensional stabilized up to 150°
Axial internal clearanceCNGroup N (CN)
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