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Koyo Bearing
1209
Open Type, Self-Aligning Ball Bearing, 45 mm Inner Diameter x 85 mm Outer Diameter x 19 mm Width, 52100 Steel, Riveted Steel Cage, Cylindrical Bore, CO Internal Clearance
MODEL 1209
$56.25 Each
Prices are subject to change
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Width
19 mm
I.D.
45 mm
O.D.
85 mm
Origin
Double Row Self-Aligning
Material
Steel
Lubricant
Oil Preservative
Cage Type
Metal
Inch/Metric
Metric Bore
icNumber
7695920
Precision
Standard
Bearing Type
Self-Aligning
Locking Device
No Locking Device
Precision Level
Standard (ABEC 1)
Inner Ring Width
19 mm
Misalignment Range
0 - 2 1/2
No. in Set
Single Bearing
Rows of Balls
Double
O.D. Type
Straight
Snap Ring
No Snap Ring
Seal Type
Unsealed
Outer Ring Width
19 mm
Contact Angle
N/A
Ball Material
Steel
| Bearing No. | 1209 | |
| Boundary dimensions(mm) | d | 45 |
| D | 85 | |
| B | 19 | |
| r(min) | 1.1 | |
| Basic load ratings(kN) | Cr | 21.8 |
| C0r | 7.35 | |
| Fatigue load limit(kN) | Cu | 0.46 |
| Limiting speeds(min-1) | Grease lub. | 7000 |
| Oil lub. | 8500 | |
| Mounting dimensions(mm) | da(min) | 51.5 |
| Da(max) | 78.5 | |
| ra(max) | 1 | |
| Constant | e | 0.21 |
| Axial load factors | Y1 | 2.94 |
| Y2 | 4.56 | |
| Y0 | 3.09 | |
| (Refer.)Mass(kg) | 0.465 |
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