1220-M
Self-aligning ball bearing
Self-aligning ball bearing 12..-M, solid brass cage
Replaces
1220M
Self-aligning ball bearing
Self-aligning ball bearing 12..-M, solid brass cage
Metric
Imperial
d | 100 mm | Bore diameter |
D | 180 mm | Outside diameter |
B | 34 mm | Width |
Cr | 70,000 N | Basic dynamic load rating, radial |
C0r | 29,500 N | Basic static load rating, radial |
Cur | 1,590 N | Fatigue load limit, radial |
nG | 6,000 1/min | Limiting speed |
nϑr | 4,500 1/min | Reference speed |
≈m | 3.606 kg | Weight |
da min | 112 mm | Minimum diameter shaft shoulder |
Da max | 168 mm | Maximum diameter of housing shoulder |
ra max | 2.1 mm | Maximum fillet radius |
rmin | 2.1 mm | Minimum chamfer dimension |
D1 | 155.2 mm | Shoulder diameter outer ring |
d1 | 127.3 mm | Shoulder diameter inner ring |
Tmin | -30 °C | Operating temperature min. |
Tmax | 150 °C | Operating temperature max. |
e | 0.18 | Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y |
Y1 | 3.58 | Dynamic axial load factor |
Y2 | 5.53 | Dynamic axial load factor |
Y0 | 3.75 | Static axial load factor |
Lubricant | without | Bearing not greased |
Sealing | without | not sealed |
Cage | M | solid brass cage, ball guided |
Tolerance class | PN | Normal (PN) |
Radial internal clearance | CN | Group N (CN) |
Bore type | Z | Cylindrical |
Characteristics