PRODUCTS


FAG
61980-MA
Deep groove ball bearing 61980-MA
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Main Dimensions & Performance Data
d
400 mm
Bore diameter
D
540 mm
Outside diameter
B
65 mm
Width
Cr
375,000 N
Basic dynamic load rating, radial
C0r
620,000 N
Basic static load rating, radial
Cur
16,200 N
Fatigue load limit, radial
nG
1,960 1/min
Limiting speed
nϑr
1,360 1/min
Reference speed
≈m
39.3 kg
Weight

Mounting dimensions
da min
414.6 mm
Minimum diameter shaft shoulder
Da max
525.4 mm
Maximum diameter of housing shoulder
ra max
3 mm
Maximum fillet radius

Dimensions
rmin
4 mm
Minimum chamfer dimension
D1
499.3 mm
Shoulder diameter outer ring
d1
443.35 mm
Shoulder diameter inner ring

Temperature range
Tmin
-30 °C
Operating temperature min.
Tmax
200 °C
Operating temperature max.

Calculation factors
f0
16.5
Calculation factor

Your current product variant
SealingWithoutNot sealed
CageMAsolid brass cage, outer ring guided
Tolerance classPNNormal (PN)
Dimensional / heat stabilization S1Rings dimensional stabilized up to 200°
LubricantWithoutBearing not greased
Bore typeZCylindrical
Radial internal clearanceCN (Group N)Normal internal clearance
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