Technical Details Adjustable combined bearings

MATERIAL
Extrenal rings ACCIAIO UNI 17MnCr5/
DIN 17MnCr5/ WNr.1.3521
(CTRs 58÷60HRc)
Interior rings ACCIAIO UNI 100Cr6/
DIN 100Cr6/ WNr.1.3505
(TRs 60÷62 HRc)
Rolling bodies ACCIAIO UNI 100Cr6/
DIN 100Cr6/ WNr.1.3505
(TRs 61÷63 HRc)
Main pin UNI Fe510.C/DIN St 52.3/
WNr. 1.0553
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DIMENSIONAL TOLERANCES, RADIAL CLEARANCE, LOAD CAPACITY

Processing tolerance
Precision class
Radial clearance
Load factors
On DIN 620.
P “O”.
On DIN 620.
Are calculated on DIN – ISO 281/1/ DIN – ISO 76.
Size
Load capacity Weight
Kg
Section-type

TYPE
2 ZRS

d
mm
D
mm
H
mm
T
mm
L
mm
B
mm
A
mm
S
mm
r
mm
C
KN
C0
KN
CA
KN
C0A
KN
MR.146
30 62 43 42 33 20 5,5 16 3 31 35,5 8 8 0,56 EC062 (2890)
MR.147
35 70,1 48 48 40 23 6,5 16 4 45,5 51 8 8 0,85 EC070 (2867)
MR.148
40 77,7 50,5 54 39,5 23 7 21 4 48 56,8 14 14 1,02 EC078 (2810)
MR.149
40 78,1 45 54 34 23 7 21 4 48 56,8 14 14 0,92 ET078 (3019)
MR.150
45 88,4 61 59 48 30 7 21 3 68 72 15 15 1,70 EC089 (2811)
MR.151
50 101,9 50,5 67 37,5 28 7 21 3 73 82 18 19 1,85 (2912)
MR.142
60 107,7 69 71 55 31 8 33 5 81 95 31 36 2,80 EC108 – (2862)
MR.152
55 108,5 58,5 71 44,5 31 8 33 5 81 95 31 36 2,40 ET108 (3100)
MR.153 60 123 75,8 80 59,5 37 8 33 5 110 132 31 36 4,08 EC123 – FI123 (2891)
MR.154 60 149 89 103 69 43 15 50 5 151 192 68 71 6,70 FI149 – EC149 (2757)
The adjustment of the dimension “A” is made with rings shims inserted between the main support and the support ofguide bearing side.
Ring are available for registration with thicknesses of 0.5, 1 mm.