499502H, 99502H, 98502H, China Ningbo Zhenhai Fuzhou Shanghai Cixi Miniature Bearings, Precision Ball Bearings, ABEC-1, ABEC-3, ABEC-5, ABEC-7, ABEC-9 Super Precision Bearings
Designing and Manufacturing Miniature Ball Bearings
 

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ID     OD   W ID     OD   W Open Type          Double Shields   Double  Seals     

Inch

mm
.0400 .1250 .0469 1.016 3.175 1.191 R09    
 
.0469 .1562 .0625 1.191 3.967 1.588 R0    
.0469 .1562 .0937 1.191 3.967 2.380   R0ZZ R0-2RS
 
.0781 .2500 .0937 1.984 6.35 2.38 R1-4    
.0781 .2500 .1406 1.984 6.35 3.571   R1-4ZZ R1-4-2RS
 
.0937 .1875 .0625 2.381 4.761 1.588 R133    
.0937 .1875 .0937 2.381 4.761 2.38   R133ZZ R133-2RS
.0937 .3125 .1094 2.381 4.762 2.779 R1-5    
.0937 .3125 .1406 2.381 4.762 3.571   R1-5ZZ R1-5-2RS
 
.1250 .2500 .0937 3.175 6.35 2.38 R144-2RS    
.1250 .2500 .1094 3.175 6.35 2.779   R144ZZ R144-2RS-2RS
.1250 .3125 .1094 3.175 7.938 2.779 R2-5-2RS    
.1250 .3125 .1406 3.175 7.938 3.571   R2-5-2RS R2-5-2RS-2RS
.1250 .3750 .1094 3.175 9.525 2.779 R2-6-2RS    
.1250 .3750 .1406 3.175 9.525 3.571   R2-6-2RS R2-6
.1250 .3750 .1562 3.175 9.525 3.967 R2-2RS R2-2RS R2-2RS-2RS
.1250 .5000 .1719 3.175 12.70 4.369 R2A-2RS R2A-2RS R2A-2RS
 
.1562 .3125 .1094 3.967 7.938 3.571 R155-2RS    
.1562 .3125 .1250 3.967 7.938 3.175   R155-ZZ R155-2RS
 
.1875 .3125 .1094 4.762 7.938 3.571 R156    
.1875 .3125 .1250 4.762 7.938 3.175   R156ZZ R156-2RS
.1875 .3750 .1250 4.762 9.525 3.175 R166 R166ZZ R166-2RS
.1875 .5000 .1562 4.762 12.70 3.967 R3    
.1875 .5000 .1960 4.762 12.70 4.978   R3ZZ R3-2RS
.1875 .6250 .1960 4.762 15.875 4.978 R3A R3AZZ R3A-2RS
 
.2500 .3750 .1250 6.35 9.525 3.175 R168 R168ZZ R168-2RS
.2500 .5000 .1250 6.35 12.70 3.175 R188    
.2500 .5000 .1875 6.35 12.70 4.762   R188ZZ R188-2RS
.2500 .6250 .1960 6.35 15.875 4.978 R4 R4ZZ R4-2RS
.2500 .7500 .2188 6.35 19.05 5.558 R4A    
.2500 .7500 .2812 6.35 19.05 7.142   R4AZZ R4A-2RS
 
.3125 .5000 .1562 7.938 12.70 3.967 R1810 R1810ZZS R1810-2RS
 
.3750 .6250 .1562 9.525 15.875 3.967 R1038 R1038ZZ R1038-2RS
.3750 .8750 .2188 9.525 22.225 5.558 R6    
.3750 .8750 .2812 9.525 22.225 7.142   R6ZZ R6-2RS
 
.5000 .7500 .1562 12.70 19.05 3.967 R1212 R1212ZZ R1212-2RS
.5000 1.125 .2500 12.70 28.575 12.70 R8    
.5000 1.125 .3125 12.70 28.575 7.938   R8ZZ R8-2RS
                 
.6250 1.375 .2812 15.875 34.925 7.142 R10    
.6250 1.375 .3438 15.875 34.925 8.733   R10ZZ R10-2RS
                 
.7500 1.6250 .3125 19.050 41.275 7.938 R12    
.7500 1.6250 .4375 19.050 41.275 11.113   R12ZZ R12-2RS
 
7/8X17/8X1/2         R14ZZ R14-2RS
1X2X1/2         R16ZZ R16-2RS
11/8X21/8X1/2         R18ZZ R18-2RS
11/4X21/4X1/2         R20ZZ R20-2RS
13/8X21/2X9/16         R22ZZ R22-2RS
11/2X25/8X9/16         R24ZZ R24-2RS
The R-Series bearings are single row, inch series bearings available from 1/8 through 1-1/2 inch bore sizes. The Conrad construction of these bearings enables them to accept thrust as well as radial load. Their ball complement and selection of retainers also allows them to work well in high-speed applications. R series bearings are available in open, sealed and shielded configurations. Sealed and shielded bearings may be slightly wider as shown in the table. This series is also available in stainless steel.

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BEARINGS Auburn American Andrews Arguto Asahi Atlas Auburn Aurora Barden BCA Boston Bower Brenco Browning Cooper Dodge Fafnir FAG Federal FLT FYH General GRW HMF Heim Hoover Hyatt IKO IKS INA KSK Kaydon Killian Koyo Linkbelt MGM Matthews Magnus McGill Moline Morse MPB MRC Meither Mueller Nachi NBR ND NHBB Nice NMB NTN Osborn Peer Randal RBC Rex RHP RMB Rollway Rotek Rotolin Rulon Schatz SKF Smith SMT SNR SST SteyrTHK Thomson Timken Torrington Triangle WTW ZKL BCA Fafnir Fag Federal General Hoover SR2SS 33KDD3 R2.ZZ R2FF 77R-2 77R2 R2ZZ SR174SSX2 SR184SSX2 SR2ASS 33KDD4* R2A.ZZ R2AFF 77R2A R2AZZ SR186SSWX2 SR3SS 33KDD5 R3.ZZ R3FF 77R-3 77R3 R3ZZ SR188SSWW SR4SS R-4-SS S1KDD7 R4.ZZ R4FF 77R-4 77R4 R4ZZ SR4ASS S1KDD R4A.ZZ R4AFF 77R-4A 77R4A R4AZZ R-6-SS SR6SS S3KDD R6.ZZ R6FF 77R-6 77R6 R6ZZ R-8-SS SR8SS S5KDD R8.ZZ R8FF 77R-8 77R8 R8ZZ R-10-SS SR10SS S7KDD R10.ZZ R10FF 77R-10 77R10 R10ZZ S8KDD R12.ZZ R12FF 77R-12 77R12 R12ZZ R-14-SS R14.ZZ R14FF 77R-14 77R14 R14ZZ R-16-SS 1601-2RS 1601ZZ 1602-2RS 1602ZZ 1603-2RS 1603ZZ 1604-2RS 1605ZZ 1606-2RS 1606ZZ 1607-2RS 1607ZZ 1614-2RS 1615ZZ 1616ZZ 1621-2RS 1621ZZ 1622-2RS 1622ZZ 1623-2RS 1623ZZ 1628-2RS 1628ZZ 1630ZZ R1-5B R10-2RS R10-2RS R1038ZZ R10 R10ZZ R10ZZ R12-2RS R12-2RS R1212ZZ R12 R12 R12ZZ R14-2RS R144ZZ R14 R14ZZ R155ZZ R156ZZ R16-2RS R166-2RS R166ZZ R168ZZ R1810ZZ R188ZZA3MC3EMQSRL R188ZZ R2-2RS R2-2RS R2-5ZZ R2-6ZZ R2AZZ R2AZZ R2 R2V R2ZZ R3-2RS R3-2RS R3AZZ R3AZZ R3 R3 R3V R3ZZMC2 R3ZZ R3ZZ R4-2RS R4-2RS R4A-2RS R4A R4A R4AZZ R4AZZ R4 R4 R4ZZA3MC3EMQ SRL R4ZZC3 R4ZZMC2 R4ZZ R6 WIDE R6-2RS R6-2RS R6-2RSW21 R6 R6 R6ZZNR(SPECIAL) R6ZZ R6ZZ R8-2RS R8-2RS R8 R8ZZC3 R8ZZ R8ZZ SR09 SR0 SR0ZZ SR1-4 SR1-4ZZ SR1-5 SR1-5ZW10 SR1-5ZZ SR10-2RS SR10-2RS SR1038ZZ SR10 SR10 SR10ZZ SR10ZZ SR12-2RS SR1212 SR1212ZZ SR1212ZZW19 SR12 SR12ZZ SR133 SR133ZZ SR143ZZ SR143ZZW09 SR144 SR144TPZZ SR144ZZ SR144ZZ SR144ZZW09 SR155 SR155ZZ SR156 SR156ZZ SR1634ZZ SR166-TTS SR166V SR166ZZ SR166ZZ SR168-TTS SR168ZZ SR168ZZ SR174ZW10 SR174ZZ SR1810AZZ SR1810V SR1810ZZ SR188-TTS SR188 SR188ZZ SR188ZZ SR1 SR1ZZ SR2-5 SR2-5ZZ SR2-5ZZ SR2-5ZZW10 SR2-6-2RS SR2-6 SR2-6ZZ SR2-6ZZW09 SR2-6ZZW10 SR2AZZ SR2 SR2TPZMC4 AF2 SR2ZZ SR2ZZ SR3-2RS SR3H SR3 SR3 SR3ZW10 SR3ZZNR SR3ZZ SR3ZZ SR3ZZW15 SR4-2RS SR4-TTS SR4A-2RS SR4A SR4AZZ SR4AZZ SR4 SR4V SR4ZZ SR4ZZ SR6-1/2' SR6-2RS SR6-2RS SR6 SR6 SR6ZZ-1/2' SR6ZZ-1/2' SR6ZZ SR6ZZ SR8-2RS SR8-2RS SR8 SR8ZZ SR8ZZ NMB ADR NTN GRW NHBB NMB ADR NTN GRW NHBB R09 RI-2 R09 R01 1016 R09 R0 RI-2 1/2 X3/64 R0 1191 R0 R0ZZ RI-2 1/2ZZ X3/64ZZ R0ZZA 1191-2Z R0PP R1 RI-3 R1 R1 1397 R1 R1ZZ RI-3ZZ R1ZZ R1ZZA 1397-2Z R1PP R1-4 RI-4 X5/64 R1-4 BR5/64 R1-4 R1-4ZZ RI-4ZZ X5/64ZZ R1-4ZZA BR5/64-2Z R1-4PP R133 RI-3332 AX3/32 R133 2380 R133 R133ZZ RI-3332ZZ AX3/32ZZ R133ZZA 2380-2Z R133PP R1-5 RI-5 X3/32 R1-5 BR3/32 R1-5 R1-5ZZ RI-5ZZ X3/32ZZ R1-5ZZA BR3/32-2Z R1-5PP R144 RI-418 AX1/8 R144 3175 R144 R144ZZ RI-418ZZ AX1/8ZZ R144ZZA 3175-2Z R144PP R2-5 RI-518 X1/8 R2-5 BR1/8A R2-5 R2-5ZZ RI-518ZZ X1/8ZZ R2-5ZZA BR1/8A-2Z R2-5PP R2-6 RI-618 R2-6 R2-6 R2-6ZZ RI-618ZZ R2-6ZZA R2-6PP R2 R-2 R2 R2 BR1/8B R2 R2ZZ R-2ZZ R2ZZ R2ZZA BR1/8B-2Z R2PP R2A R-2-A R2A R2A BR1/8B/083 R2A R2AZZ R2AZZ RA2ZZ R2APP R155 RI-5532 X5/32 R155 3967 R155 R155ZZ RI-5532ZZ X5/32ZZ RA155ZZA 3967-2Z R155PP R156 RI-5632 AX3/16 R156 4763A R156 R156ZZ RI-5632ZZ AX3/16ZZ RA156ZZA 4763A-2Z R156PP R166 RI-6632 X3/16 R166 4763B R166 R166ZZ RI-6632ZZ X3/16ZZ RA166ZZA 4763B-2Z R166PP R3 R-3 Y3/16 R3 BR3/16B R3 R3ZZ R-3ZZ Y3/16ZZ RA3ZZ BR3/16B-2Z R3PP R168 RI-614 X1/4 R168 6350A R168 R168ZZ RI-614ZZ X1/4ZZ RA168ZZA 6350A-2Z R168PP R188 RI-814 R188 R188 6350B R188 R188ZZ RI-814ZZ R188ZZ RA188ZZA 6350B-2Z R188PP R4 R-4 Y1/4 R4 BR1/4A R4 R4ZZ R-4ZZ Y1/4ZZ R4ZZ BR1/4A-2Z R4PP R4A RI-1214 R4A EE2 BR1/4 R4AD R4AZZ RI-1214ZZ R4AZZ RA4ZZ BR1/4-2Z R4APPD R1810 RI-8516 7938 R1810 R1810ZZ RI-8516ZZ 7938-2Z R1810PP R6 RI-1438 Y3/8 R6 BR3/8 R6D R6ZZ RI-1438ZZ Y3/8ZZ R6ZZ BR3/8-2Z R6PPD R144 R144ZZ FR144ZZ R2-5 R2-5ZZ FR2-5ZZ R2-6 R2-6ZZ FR2-6ZZ R2 R2ZZ FR2ZZ R2A R2AZZ FR2AZZ R156 R156ZZ FR156ZZ R166 R166ZZ FR166ZZ R186 R186ZZ FR186ZZ R3 R3ZZ FR3ZZ R3A R3AZZ FR3AZZ 1601 1601ZZ 1601 2RS R168 R168ZZ FR168ZZ R188 R188ZZ FR188ZZ R4 R4ZZ R4 2RS FR4ZZ R4A R4AZZ R4A 2RS FR4AZZ 1602 1602ZZ 1602 2RS R1810 R1810ZZ FR1810ZZ 1603 1603ZZ 1603 2RS 1605 1605ZZ 1605 2RS R6 R6ZZ R6 2RS R6ZZNR 1604 1604ZZ 1604 2RS 1606 1606ZZ 1606 2RS 1614 1614ZZ 1614 2RS 1607 1607ZZ 1607 2RS 1615 1615ZZ 1615 2RS 1620 1620ZZ 1620 2RS R8 R8ZZ R8 2RS R8ZZNR 1616 1616ZZ 1616 2RS RLS4 RLS4ZZ RLS4 2RS RLS4ZZNR 1621 1621ZZ 1621 2RS RMS4 RMS4ZZ RMS4 2RS RMS4ZZNR 1622 1622ZZ 1622 2RS R10 R10ZZ R10 2RS R10ZZNR 1623 1623ZZ 1623 2RS RLS5 RLS5ZZ RLS5 2RS RLS5ZZNR 1628 1628ZZ 1628 2RS 1633 1633ZZ 1633 2RS RMS5 RMS5ZZ RMS5 2RS RMS5ZZNR R12 R12ZZ R12 2RS R12ZZNR 1630 1630ZZ 1630 2RS 1635 1635ZZ 1635 2RS RLS6 RLS6ZZ RLS6 2RS RLS6ZZNR 1638 1638ZZ 1638 2RS RMS6 RMS6ZZ RMS6 2RS RMS6ZZNR R14 R14ZZ R14 2RS R14ZZNR RLS7 RLS7ZZ RLS7 2RS RLS7ZZNR 1640 1640ZZ 1640 2RS RMS7 RMS7ZZ RMS7 2RS RMS7ZZNR R16 R16ZZ R16 2RS R16ZZNR 1641 1641ZZ 1641 2RS RLS8 RLS8ZZ RLS8 2RS RLS8ZZNR RMS8 RMS8ZZ RMS8 2RS RMS8ZZNR R18 R18ZZ R18 2RS R18ZZNR 1652 1652ZZ 1652 2RS RLS9 RLS9ZZ RLS9 2RS RLS9ZZNR RMS9 RMS9ZZ RMS9 2RS RMS9ZZNR R20 R20ZZ R20 2RS R20ZZNR 1654 1654ZZ 1654 2RS 1657 1657ZZ 1657 2RS RLS10 RLS10ZZ RLS10 2RS RLS10ZZNR RMS10 RMS10ZZ RMS10 2RS RMS10ZZNR R22 R22ZZ R22 2RS R22ZZNR RLS11 RLS11ZZ RLS11 2RS RLS11ZZNR R24 R24ZZ R24 2RS R24ZZNR RLS12 RLS12ZZ RLS12 2RS RLS12ZZNR