KOYO
Spherical roller bearings 21311RZK+H311X
Bearing KOYO 21311RZK+H311X, Ø55×120×29 mm. Request a quote — worldwide shipping.
Type Spherical roller bearings
Dimensions
Ø 55 × 120 × 29 mm
d55Bore Ø (mm)
×
D120Outer Ø (mm)
×
B29Width (mm)
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Technical specifications
| d1 | 50 mm |
| B1 | 45 mm |
| d2 | 75 mm |
| B2 | 12 mm |
| B3 | - mm |
| d | 55 mm |
| D | 120 mm |
| B | 29 mm |
| r(min.) | 2 mm |
| Basic load ratings : Cr | 180 kN |
| Basic load ratings : C0r | 165 kN |
| Limiting speeds(Grease lub.) | 4100 min-1 |
| Limiting speeds(Oil lub.) | 5600 min-1 |
| Constant e | 0.25 |
| Axial load factors : Y1 | 2.71 |
| Axial load factors : Y2 | 4.03 |
| Axial load factors : Y0 | 2.65 |
| A(min.) | 19 mm |
| K(min.) | 85 mm |
| de(min.) | 60 mm |
| b(min.) | 6 mm |
| (Refer.)Mass | 2.04 kg |
KOYO 21311RZK+H311X