Ball Bearing Interchange Tables

These charts are intended as a reference only. Ball compliments and load ratings may differ. Although dimensionally equivalent, IBSCO cannot be held responsible for errors contained within.

Miniature

IBSCO NHBB Timken Barden RMB NHBB (Old)
SR09 SSRI-2 S2C SR0-9 UL1304X SR09
SR0 SSR1-21/2 S21/2C SRO UL1505X SRO
SR0ZZ SSRI-21/2ZZ S21/2CHH SROSS ULZ1505X SROPP
SR1 SSRI-3 S3C SR1 R1706X SR1
SR1ZZ SSRI-3ZZ S3CHH SR1SS Rf1706X SR1PP
SR1-4 SSRI-4 S4C SRI-4 R2508X SR1-4
SR1-4ZZ SSRI-4ZZ S4CHH SR1-4SS RF2508X SR1-4PP
SR133 SSRI-3332 S3332C SR133 UL3006X SR133
SR133ZZ SSRI-3332ZZ S3332CHH SR133SS ULz3006X SR133PP
SR1-5 SSRI-5 S5C SR1-5 R3010X SR1-5
SR1-5ZZ SSRI-5ZZ S5CHH SR1-5SS RF3010X SSR1-5PP
SR144 SSRI-418 S418C SR144 UL4008X SR144
SR144ZZ SSRI-418ZZ S418CHH SR144SS ULZ4008X SR144PP
SR2-5 SSRI-518 S518C SR2-5 R4010X SR2-5
SR2-5ZZ SSRI-518ZZ S518CHH SR2-5SS RF4010X SR2-5PP
SR2-6 SSRI-618 S618C SR2-6   SR2-6
SR2-6ZZ SSRI-618ZZ S618CHH SR2-6SS   SR2-6PP
SR2 SSR-2 SR2C SR2 R4012X SR2
SR2ZZ SSR-2ZZ SR2CHH SR2SS RF4012X SR2PP
SR2A SSR-2A SR2AC SR2A   SR2A
SR2AZZ SSR-2ZZA SR2ACHH   SR2ASS SR2APP
SR155 SSRI-5532 S5532C SR155 UL5010X SR155
SR155ZZ SSRI-5532ZZ S5532CHH SR155SS UL5010Z SR155PP
SR156 SSRI-5632 S5632C SR156 UL6010X SR156
SR156ZZ SSRI-5632ZZ S5632CHH SR156SS ULZ6010X SR156PP
SR166 SSRI-6632 S6316C SR166 UL6012X SR166
SR166ZZ SSRI-6632ZZ S6316CHH SR166SS ULZ6012X SR166PP
SR3 SSR-3 SR3R SR3 R6016X SR3
SR3ZZ SSR-3ZZ SR3RHH SR3SS RF6016X SR3PP
SR168 SSRI-614 S614C SR168 UL8012X SR168
SR168ZZ SSRI-614ZZ S614CHH SR168SS ULZ8012X SR168PP
SR188 SSRI-814 S814C SR188 UL8016X SR188
SR188ZZ SSRI-814ZZ S814CHH SR188SS ULZ8016X SR188PP
SR4 SSR-4 SR4C SR4 R8020X SR4
SR4ZZ SSR-4ZZ SR4CHH SR4SS RF8020X SR4PP
SR4A SSRI-1214 SR4AR   SR4A AR4AD
SR4AZZ SSRI-1214ZZ SR4ARHH SR4ASS   SR4APPD
SR1810 SSRI-8516 S8516R SR1810   SR1810
SR1810ZZ SSRI-8516ZZ S8516RHH SR1810SS   SR1810PP
SR6 SSRI-1438 SR6R SR6   SR6D
SR6ZZ SSRI-1438ZZ SR6RHH SR6SS   SR6PPD
SR8 SSRI-1812 SR8R SR8   SR8D
SR8ZZ SSRI-1812ZZ SR8RHH SR8SS   SR8PPD
SFR09 SSRIF-2 S2FC SFR09 ULK1304X SFR09
SFR0 SSRIF-21/2 S21/2FC SFR0 ULK1505X SFR0
SFR0ZZ SSRIF-21/2ZZ S21/2FCHH SFR0SS ULKZ1505X SFR0PP
SFR1 SSRIF-3 S3FC SFR1 RK1706X SFR1
SFR1ZZ SSRIF-3ZZ S3FCHH SFR1SS RKF1706X SFR1PP
SFR1-4 SSRIF-4 S4FC SFR1-4 RK2508X SFR1-4
SRF1-4ZZ SSRIF-4ZZ S4FCHH SFR1-4SS RKF2508X SFR1-4PP
SFR133 SSRIF-3332 S3332FC SFR133 ULK3006X SFR133
SFR133ZZ SSRIF-3332ZZ S3332FCHH SFR133SS ULKZ3006X SFR133PP
SFR1-5 SSRIF-5 S5FC SFR1-5 RK3010X SFR1-5
SFR1-5ZZ SSRIF-5ZZ S5FCHH SFR1-5SS RKF3010X SFR1-5PP
SFR144 SSRIF-418 S418FC SFR144 ULK4008X SFR144
SFR144ZZ SSRIF-418ZZ S418FCHH SFR144SS ULKZ4008X SFR144PP
SFR2-5 SSRIF-518 S518FC SFR2-5 RK4010X SFR2-5
SFR2-5ZZ SSRIF-518ZZ S518FCHH SFR2-5SS RKF4010X SFR2-5PP
SFR2-6 SSRIF-618 S618FC SFR2-6   SFR2-6
SFR2-6ZZ SSRIF-618ZZ S618FCHH SFR2-6SS   SFR2-6PP
SFR2 SSRF-2 SR2FC SFR2 RK4012X SFR2
SFR2ZZ SSRF-2ZZ SR2FCHH SFR2SS RKF4012X SFR2PP
SFR155 SSRIF-5532 S5532FC SFR155 ULK5010X SFR155
SFR155ZZ SSRIF-5532ZZ S5532FCHH SFR155SS ULKZ5010X SFR155PP
SFR156 SSRIF-5632 S5632FC SFR156 ULK6010X SFR156
SFR156ZZ SSRIF-5632ZZ S5632CHH SFR156SS ULKZ6010X SFR156PP
SFR166 SSRIF-6632 S6316FC SFR166 ULK6012X SFR166
SFR166ZZ SSRIF-6632ZZ S6316FCHH SFR166SS ULKZ6012X SFR166PP
SFR3 SSRF-3 SR3FC SFR3X3   SFR3C
SFR3ZZ SSRF-3ZZ SR3FCHH SFR3SS RKF6016X SFR3PP
SFR168 SSRIF-614 S614FC SFR168 ULK8012X SFR168
SFR168ZZ SSRIF-614ZZ S614FCHH SFR168SS ULKZ8012X SFR168PP
SFR188 SSRIF-814 S814FC SFR188 ULK8016X SFR188
SFR188ZZ SSRIF-814ZZ S814FCHH SFR188SS ULKZ8016X SFR188PP
SFR4 SSRF-4 SR4FC SFR4 RK8020X SFR4
SFR4ZZ SSRF-4ZZ SR4FCHH SFR4SS RKF8020X SFR4PP
SFR1810 SSRIF-8516 S8516FC SFR1810   SFR1810
SFR1810ZZ SSRIF-8416ZZ S8516FCHH SFR1810SS   SFR1810PP
SFR6 SSRIF-1438 SFR6X5   SFR6DC  
SFR6ZZ SSRIF-1438ZZ SR6FRHH SFR6SS   SFR6PPD
SFR8 SSRIF-1812 SR8FR SFR8   SFR8
SFR8ZZ SSRIF-1812ZZ SSR8FRHH SFR8SS   SFR8PPD

Thin Section

IBSCO NHBB Timken Barden RMB Timken (Old)
Thin Section-Radial Thin Section-Angular Contact
SR620K(ZK) SSRI-1038KC(ZKC) S610MC (MCH) SAR620K SSMDRI-1038KC S610M
SR620ZZ SSRI-1038ZZ S610MCKHH      
SR824K (ZK) SSRI-1212KC (ZKC) S812MC(MCH) SAR824K SSMDRI-1212KC S812M
SR824ZZ SSRI-1212ZZ S812MCKHH      
SR1028K (ZK) SSRI-1458KC(ZKC) S1014MC (MCH) SAR1028K SSMDRI-1458KC S1014M
SR1028ZZ SSRI-1458ZZ S1014MCKHH      
SR1232K (ZK) SSRI-1634KC (ZKC) S1216MC (MCH) SAR1232K SSMDRI-1634KC S1216M
SR1232ZZ SSRI-1634ZZ S12116MCKHH      
SE1436K (ZK) SSRI-1878KC (ZKC) S1418MC (MCH) SAR1436K SSMDRI-1878KC S1418M
SR1436ZZ SSRI-1878ZZ S1418MCKHH      
SR1742K (ZK) SSRI-2117KC (ZKC) S1721MC (MCH) SAR1742K SSMDRI-2117KC S1721M
SR1742ZZ SSRI-2117ZZ S1721MCKHH      
SR2048K (ZK) SSRI-2420KC (ZKC) S2024MC (MCH) SAR2048K SSMDRI-2420KC S2024M
SR2048ZZ SSRI-2420ZZ S2024MCKHH      
SR2252K (ZK) SSRI-2622KC (ZKC) S2226MC (MCH) SAR2252K SSMDRI-2622KC S2226M
SR2252ZZ SSRI-2622ZZ S2226MCKHH      
SR2456K (ZK) SSRI-2824KC (ZKC) S2428MC (MCH) SAR2456K SSMDRI-2824KC S2428M
SR2456ZZ SSRI-2824ZZ S2428MCKHH      
SR2660K (ZK) SSRI-3026KC (ZKC) S2630MC (MCH) SAR2660K SSMDRI-3026KC S2630M
SR2660ZZ SSRI-3026ZZ S2630MCKHH      
Torque Tube-Radial Torque Tube-Angular Contact
SR538K (ZZK) SSRI-538KC (ZZKC) S1017MC (MCHH) SAR538K SSMERI-538KC S1017M
SR538EEK (ZZEEK) SSRI-538EEKC (ZZEEKC) S1017MCE (MCEHH) SAR538EEKC SSMERI-538EEKC S1017ME
SR539K (ZZK) SSRI-539KC (ZZKC) S1219MC (MCHH) SAR539K SSMERI-539KC S1219M
SR539EEK (ZZEEK) SSRI-539EEKC (ZZEEKC) S1219MCE (MCEHH) SAR539EEKC SSMERI-539EEKC S1219ME
SR540K (ZZK) SSRI-540KC (ZZKC) S1421MC (MCHH) SAR540K SSMERI-540KC S1421M
SR540EEK (ZZEEK) SSRI-540EEKC (ZZEEKC) S1421MCE (MCEHH) SAR540EEKC SSMERI-540EEKC S1421ME
SR541K (ZZK) SSRI-541KC (ZZKC) S1724MC (MCHH) SAR541K SSMERI-541KC S1724M
SR541EEK (ZZEEK) SSRI-541EEKC (ZZEEKC) S1724MCE (MCEHH) SAR514EEKC SSMERI-541EEKC S1724ME
SR542K (ZZK) SSRI-542KC (ZZKC) S2128MC (MCHH) SAR542K SSMERI-542KC S2128M
SR542EEK (ZZEEK) SSRI-542EEKC (ZZEEKC) S2128MCE (MCEHH) SAR542EEKC SSMERI-542EEKC S2128ME
SR543K (ZZK) SSRI-543KC (ZZKC) S2532MC (MCHH) SAR543K SSMERI-543KC S2532M
SR543EEK (ZZEEK) SSRI-543EEKC (ZZEEKC) S2532MCE (MCEHH) SAR543EEKC SSMERI-543EEKC S2532ME
SR544K (ZZK) SSRI-544KC (ZZKC) S2936MC (MCHH) SAR544K SSMERI-544KC S2936M
SR544EEK (ZZEEK) SSRI-544EEKC (ZZEEKC) S2936MCE (MCEHH) SAR544EEKC SSMERI-544EEKC S2936ME
SR545K (ZZK) SSRI-545KC (ZZKC) S3342MC (MCHH) SAR545K SSMERI-545KC S3342M
SR545EEK (ZZEEK) SSRI-545EEKC (ZZEEKC) S3342MCE (MCEHH) SAR545EEKC SSMERI-545EEKC S3342ME
SR546K (ZZK) SSRI-546KC (ZZEEKC) S3746MC (MCHH) SAR546K SSMERI-546KC S3746M
SR546EEK (ZZEEK) SSRI-546EEKC (ZZEEKC) S3746MCE (MCEHH) SAR546EEKC SSMERI-546EEKC S3746ME
SR547K (ZZK) SSRI-547KC (ZZKC) S4152MC (MCHH) SAR547K SSMERI-547KC S4152M
SR547EEK (ZZEEK) SSRI-547EEKC (ZZEEKC) S4152MCE (MCEHH) SAR547EEKC SSMERI-547EEKC S4152ME
SR548K (ZZK) SSRI-548KC (ZZKC) S4556MC (MCHH) SAR548K SSMERI-548KC S4556M
SR548EEK (ZZEEK) SSRI-548EEKC (ZZEEKC) S4556MCE (MCEHH) SAR548EEKC SSMERI-548EEKC S4556ME
SR549K (ZZK) SSRI-549KC (ZZKC) S4962MC (MCHH) SAR549K SSMERI-549KC S4962M
SR549EEK (ZZEEK) SSRI-549EEKC (ZZEEKC) S4962MCE (MCEHH) SAR549EEKC SSMERI-549EEKC S4962ME