R188 Chrome Steel Imperial Series Bearing
R188
Bore Diameter:0.25 inch
Outside Diameter:0.5 inch
Width:0.125 inch
Weight:0.012 kg
The R188 bearing is a deep groove ball bearing with an inner diameter of 0.25 inch , an outer diameter of 0.5 inch, a width of 0.125 inch. It typically uses P0,P6,P5,P4,P2 grade precision tolerances and open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
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Detailed description
| R Series Bearing type | ||||
| Model No. | Size(d*D*B)(Inch) | Size(d*D*B)(mm) | Type | Material |
| R2 | 1/8*3/8*5/32 | 3.175*9.525*3.969 | Open | Chrome Steel |
| R2A | 1/8*1/2*11/64 | 0.125*0.5*0.1719 | Open | Chrome Steel |
| R3 | 3/16*1/2*5/32 | 4.762*12.7*3.969 | Open | Chrome Steel |
| R4 | 1/4*5/8*1/99 | 6.35*15.875*4.978 | Open | Chrome Steel |
| R4A | 1/4*3/4*7/32 | 6.35*19.05*5.556 | Open | Chrome Steel |
| R6 | 3/8*7/8*7/32 | 9.525*22.225*5.556 | Open | Chrome Steel |
| R8 | 1/2*11/8*1/4 | 12.7*28.575*6.35 | Open | Chrome Steel |
| R10 | 5/8*13/8*9/32 | 15.875*34.925*7.144 | Open | Chrome Steel |
| R12 | 3/4*15/8*5/16 | 19.05*41.275*7.938 | Open | Chrome Steel |
| R14 | 7/8*17/8*3/8 | 22.225*47.625*9.525 | Open | Chrome Steel |
| R16 | 1*2*3/8 | 25.4*50.8*9.525 | Open | Chrome Steel |
| R18 | 11/8*21/8*3/8 | 28.575*53.975*9.525 | Open | Chrome Steel |
| R20 | 11/4*21/4*3/8 | 31.75*57.15*9.525 | Open | Chrome Steel |
| R22 | 13/8*21/2*7/16 | 34.925*63.5*11.112 | Open | Chrome Steel |
| R24 | 11/2*25/8*7/16 | 38.1*66.675*11.112 | Open | Chrome Steel |
| R144 | 1/8*1/4*7/64 | 3.175*6.35*2.779 | Open | Chrome Steel |
| R155 | 5/32*5/16*7/64 | 3.969*7.938*2.779 | Open | Chrome Steel |
| R156 | 3/16*5/16*7/64 | 4.762*7.938*2.779 | Open | Chrome Steel |
| R166 | 3/16*3/8*1/8 | 4.762*9.525*3.175 | Open | Chrome Steel |
| R168 | 1/4*3/8*1/8 | 6.35*9.525*3.175 | Open | Chrome Steel |
| R186 | 3/16*1/2*7/64 | 4.762*12.7*2.779 | Open | Chrome Steel |
| R188 | 1/4*1/2*1/8 | 6.35*12.7*3.175 | Open | Chrome Steel |
| R1810 | 5/16*1/2*5/32 | 7.938*12.7*3.969 | Open | Chrome Steel |
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