6.35 x 19.05 x 7.142 mm R4A ZZ inch bearings are produce with stainless stell material can used for RC toy motor ,we also can produce with R4A-2RS, R4A open ball bearing .
6.35 x 19.05 x 7.142 mm R4A ZZ inch bearings are produce with stainless stell material can used for RC toy motor ,we also can produce with R4A-2RS, R4A open ball bearing .
R4A-ZZ Mini Ball Bearing 1/4x3/4x9/32 Description :
Bearing No.:R4A-2RS, R4A-ZZ,R4A Open Ball Bearing
Dimension :
Inside Diameter : 6.35mm
Outside Diameter :19.05mm
Width : 7.142mm
Inch Dimension : ID: 1/4" x OD: 3/4" x W: 9/32" Inches
Material :stainless steel ,you also can choose with Chrome steel .
LUBRICATION:Chevron SRI-2 Grease
Precision : ABEC-1,ABEC-3
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| R Series Bearing | ||
| Model No. | Size(d*D*B) (Inch) | Size(d*D*B) (mm) |
| R2 | 1/8*3/8*5/32 | 3.175*9.525*3.969 |
| R2A | 1/8*1/2*11/64 | 3.175*12.7*4.366 |
| R3 | 3/16*1/2*5/32 | 4.762*12.7*3.969 |
| R4 | 1/4*5/8*1/99 | 6.35*15.875*4.978 |
| R4A | 1/4*3/4*7/32 | 6.35*19.05*5.556 |
| R6 | 3/8*7/8*7/32 | 9.525*22.225*5.556 |
| R8 | 1/2*1 1/8*1/4 | 12.7*28.575*6.35 |
| R10 | 5/8*1 3/8*9/32 | 15.875*34.925*7.144 |
| R12 | 3/4*1 5/8*5/16 | 19.05*41.275*7.938 |
| R14 | 7/8*17/8*3/8 | 22.225*47.625*9.525 |
| R16 | 1*2*3/8 | 25.4*50.8*9.525 |
| R18 | 1 1/8*2 1/8*3/8 | 28.575*53.975*9.525 |
| R20 | 1 1/4*2 1/4*3/8 | 31.75*57.15*9.525 |
| R22 | 1 3/8*2 1/2*7/16 | 34.925*63.5*11.112 |
| R24 | 1 1/2*2 5/8*7/16 | 38.1*66.675*11.112 |
| R144 | 1/8*1/4*7/64 | 3.175*6.35*2.779 |
| R155 | 5/32*5/16*7/64 | 3.969*7.938*2.779 |
| R156 | 3/16*5/16*7/64 | 4.762*7.938*2.779 |
| R166 | 3/16*3/8*1/8 | 4.762*9.525*3.175 |
| R168 | 1/4*3/8*1/8 | 6.35*9.525*3.175 |
| R186 | 3/16*1/2*7/64 | 4.762*12.7*2.779 |
| R188 | 1/4*1/2*1/8 | 6.35*12.7*3.175 |
| R1810 | 5/16*1/2*5/32 | 7.938*12.7*3.969 |
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