PRODUCTS


FAG
61988-MA
Deep groove ball bearing 61988-MA
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Main Dimensions & Performance Data
d
440 mm
Bore diameter
D
600 mm
Outside diameter
B
74 mm
Width
Cr
390,000 N
Basic dynamic load rating, radial
C0r
670,000 N
Basic static load rating, radial
Cur
17,300 N
Fatigue load limit, radial
nG
1,780 1/min
Limiting speed
nϑr
1,250 1/min
Reference speed
≈m
63.6 kg
Weight

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

Dimensions
rmin
4 mm
Minimum chamfer dimension
D1
549.9 mm
Shoulder diameter outer ring
d1
492.9 mm
Shoulder diameter inner ring

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

Calculation factors
f0
16.4
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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