Bearing Cross Reference

Bearing and drive-ring designs can be fully customized. From simple flanges, intricate lubrication grooves, O-ring housings, to new materials and designs, PACAMOR KUBAR BEARINGS engineering team can assist with design engineering for custom units. For example, if extreme fits are unsuitable, selective assembly of coded bores matched with similarly graded shaft and housing diameters may be utilized. This approach is usually more economical than a reduction in diameter tolerances. Bearings are typically manufactured to standard grades of precision, with well established tolerances for size and geometric accuracy. These standards are known as ABEC classes. They are set by the Annular Bearing Engineers Committee (ABEC) of the American Bearing Manufacturer’s Association (ABMA). These standards are also accepted by the American National Standards Institute (ANSI) and by international agreement for those developed by the International Organization of Standards. Beyond the standard ABEC tolerance which describes many ball bearing attributes, the bore of the inner ring and the outer ring’s outer diameter can be coded to specific requirements. This helps maintain a consistent line-to-line fit. Miniature and instrument ball bearings inner and outer diameters can be further calibrated to very specific ranges by designating their applicable dimensional codes.

 

 

Instrument Series​

PKB NMB NHBB Timken (MPB) Barden RMB FAG Old NHBB
SR2 DDR-2 SSR-2 SR2C SR2 R4012X SR2 SR2
SR2ZZ DDR-2ZZ SSR-2ZZ SR2CHH SR2SS RF4012X SR22Z SR2PP
SR2A DDR-SA SSR-SA SR2AC SR2A SR2A SR2A
R2AZZ DDR-SAZZ SSR-2AZZ SR2ACHH SR2ASS SR2A2Z SR2APP
SR3 DDR-3 SSR-3 SR3C SR3 R6016X SR3 SR3
SR3ZZ DDR-3ZZ SSR-3ZZ SR3CHH SR3SS SF6016X SR32Z SR3PP
SR4 DDR-4 SSR-4 SR4C SR4 R8020X SR4 SR4
SR4ZZ DDR-4ZZ SSR-4ZZ SR4CHH SR4SS RF8020X SR42Z SR4PP
SR4A DDRI-1214 SSRI-1214 SR4AR SR4A SR4A SR4A
SR4AZZ DDRI-1214ZZ SSRI-1214ZZ SR4ARHH SR4ASS SR4A2Z SR4APP
SR6 DDRI-1438 SSRI-1438 SR6R SR6 SR6 SR6
SR6ZZ DDRI-1438ZZ SSRI-1438ZZ SR6RHH SR6SS SR62Z SR6PPD
SFR2 DDRF-2 SSRF-2 SR2FC SFR2 RK4012X SRF2 SFR2
SFR2ZZ DDRF-2ZZ SSRF-2ZZ SR2FCHH SFR2SS RKF4012X SRF22Z SFR2PP
SFR3 DDRF-3 SSRF-3 SR3FC SFR3 ULK6016 SRF3 SFR3
SFR3ZZ DDRF-3ZZ SSRF-3ZZ SR3FCHH SFR3SS RKF6016X SRF32Z SFR3PP
SFR4 DDRF-4 SSRF-4 SR4FC SFR4 RK8020X SRF4 SFR4
SFR4ZZ DDRF-4ZZ SSRF-4ZZ SR4FCHH SFR4SS RKF8020X SRF42Z SFR4PP
SFR6 DDRIF-1438 SSRIF-1438 SR6FR SFR6 SRF6 SFR6D
SFR6ZZ DDRIF-1438ZZ SSRIF-1438ZZ SR6FRHH SFR6SS SRF62Z SFR6PPD

 

 

 

Miniature Series​

PKB NMB NHBB Timken (MPB) Barden RMB FAG Old NHBB
SR0-9 DDRI-2 SSRI-2 S2C SR0-9 UL1304X SR0308 SR09
SR0 DDRI-2 1/2 SSRI-2 1/2 S25C SR0 UL1505X SR0310 SR0
SR0ZZ DDRI-2 1/2ZZ SSRI-2 1/2ZZ S25CHH SR0SS ULZ1505X SR0310ZZ SR0PP
SR1 DDRI-3 SSRI-3 S3C SR1 R1706X SR0412 SR1
SR1ZZ DDRI-3ZZ SSRI-3ZZ S3CHH SR1SS RF1706X SR0412ZZ SR1PP
SR1-4 DDRI-4 SSRI-4 S4C SR1-4 R2508X SR0516 SR1-4
SR1-4ZZ DDRI-4ZZ SSRI-4ZZ S4CHH SR1-4SS RF2508X SR0516ZZ SR1-4PP
SR133 DDRI-3332 SSRI-3332 S3332C SR133 UL3006X SR0612 SR133
SR13ZZ DDRI-3332ZZ SSRI-3332ZZ S3332CHH SR133SS ULZ3006X SR0612ZZ SR133PP
SR1-5 DDRI-5 SSRI-5 S5C SR1-5 R3010X SR0620 SR1-5
SR1-5ZZ DDRI-5ZZ SSRI-5ZZ S5CHH SR1-5SS RF3010X SR0620ZZ SR1-5PP
SR144 DDRI-418 SSRI-418 S418C SR144 UL4008X SR0816 SR144
SR144ZZ DDRI-418ZZ SSRI-418ZZ S418CHH SR144SS ULZ4008X SR0816ZZ SR144PP
SR2-5 DDRI-518 SSRI-518 S518C SR2-5 R4010X SR0820 SR2-5
SR2-5ZZ DDRI-518ZZ SSRI-518ZZ S518CHH SR2-5SS RF4010X SR0820ZZ SR2-5PP
SR2-6 DDRI-618 SSRI-618 S618C SR2-6 SR0824 SR2-6
SR2-6ZZ DDRI-618ZZ SSRI-618ZZ S618CHH SR2-6SS SR0824ZZ SR2-6PP
SR155 DDRI-5532 SSRI-5532 S5532C SR155 UL5010X SR1020 SR155
SR155ZZ DDRI-5532ZZ SSRI-5532ZZ S5532CHH SR155SS ULZ5010X SR1020ZZ SR155PP
SR156 DDRI-5632 SSRI-5632 S5632C SR156 UL6010X SR1220 SR156
SR156ZZ DDRI-5632ZZ SSRI-5632ZZ S5632CHH SR156SS ULZ6010X SR1220ZZ SR156PP
SR166 DDRI-6632 SSRI-6632 S6632C SR166 UL6012X SR1224 SR166
SR166ZZ DDRI-6632ZZ SSRI-6632ZZ S6632CHH SR166SS ULZ6012X SR1224ZZ SR166PP
SR168 DDRI-614 SSRI-614 S614C SR168 UL8012X SR1624 SR168
SR168ZZ DDRI-614ZZ SSRI-614ZZ S614CHH SR168SS ULZ8012X SR1624ZZ SR168PP
SR188 DDRI-814 SSRI-814 S814C SR188 UL8016X SR1632 SR188
SR188ZZ DDRI-814ZZ SSRI-814ZZ S814CHH SR188SS ULZ8016X SR1632ZZ SR188PP
SR1810 DDRI-8516 SSRI-8516 S8516R SR1810 SR2032 SR1810
SR1810ZZ DDRI-8516ZZ SSRI-8516ZZ S8516RHH SR1810SS SR2032ZZ SR1810PP
SFR09 DDRIF-2 SSRIF-2 S2FC SFR03 ULK1340X SRF40125 SFR09
SFR0 DDRIF-2 1/2 SSRIF-2 1/2 S25FC SFR0 ULK1505X SRF0310 SFR0
SFR0ZZ DDRIF-2 1/2ZZ SSRIF-2 1/2ZZ S25FCHH SFR0SS ULKF1505X SRF0310ZZ SFR0PP
SFR1 DDRIF-3 SSRIF-3 S3FC SFR1 RK1706X SRF0412 SFR1
SFR1ZZ DDRIF-3ZZ SSRIF-3ZZ S3FCHH SFR1SS RKF1706X SRF0412ZZ SFR1PP
SFR1-4 DDRIF-4 SSRIF-4 S4FC SFR1-4 RK2508X SRF0516 SFR1-4
SFR1-4ZZ DDRIF-4ZZ SSRIF-4 ZZ S4FCHH SFR1-4SS RFK2508X SRF0516ZZ SFR1-4PP
SFR133 DDRIF-3332 SSRIF-3332 S3332FC SFR133 ULK3006X SRF0612 SFR133
SFR133ZZ DDRIF-3332ZZ SSRIF-3332ZZ S3332FCHH SFR133SS ULKZ3006X SRF0612ZZ SFR133PP
SFR1-5 DDRIF-5 SSRIF-5 S5FC SFR1-5 RK3010X SRF0620 SFR1-5
SFR1-5ZZ DDRIF-5ZZ SSRIF-5ZZ S5FCHH SFR1-5SS RKF3010X SRF0620ZZ SFR1-5PP
SFR144 DDRIF-418 SSRIF-418 S418FC SFR144 ULK4008X SRF0816 SFR144
SFR144ZZ DDRIF-418ZZ SSRIF-418ZZ S418FCHH SFR144SS ULKZ4008X SRF0816ZZ SFR144PP
SFR2-5 DDRIF-518 SSRIF-518 S518FC SFR2-5 RK4010X SRF0820 SFR2-5
SFR2-5ZZ DDRIFK-518ZZ SSRIF-518ZZ S518FCHH SFR2-5SS RF4010X SRF0820ZZ SFR2-5PP
SFR2-6 DDRIF-618 SSRIF-618 S618FC SFR2-6 SRF0824 SFR2-6
SFR2-6ZZ DDRIF-618ZZ SSRIF-618ZZ S618FCHH SFR2-6SS SRF0824ZZ SFR2-6PP
SFR155 DDRIF-5532 SSRIF-5532 S5532FC SFR155 ULK5010X SRF1020 SFR155
SFR155ZZ DDRIF-5532ZZ SSRIF-5532ZZ S5532FCHH SFR155SS ULKZ5050X SRF1020ZZ SFR155PP
SFR156 DDRIF-5632 SSRIF-5632 S5632FC SFR156 ULK6010X SRF1220 SFR156
SFR156ZZ DDRIF-5632ZZ SSRIF-5632ZZ S5632FCHH SFR156SS ULKZ6010X SRF1220ZZ SFR156PP
SFR166 DDRIF-6632 SSRIF-6632 S6316FC SFR166 ULK6012X SRF1224 SFR166
SFR166ZZ DDRIF-6632ZZ SSRIF-6632ZZ S6316FCHH SFR166SS ULKZ6012X SRF1224ZZ SFR166PP
SFR168 DDRIF-614 SSRIF-614 S614FC SFR168 ULK8012X SRF1624 SFR168
SFR168ZZ DDRIF-614ZZ SSRIF-614ZZ S614FCHH SFR168SS ULKZ8012X SRF1624ZZ SFR168PP
SFR188 DDRIF-814 SSRIF-814 S814FC SFR188 ULK8016X SRF1632 SFR188
SFR188ZZ DDRIF-814ZZ SSRIF-814ZZ S814FCHH SFR188SS ULKZ8016X SRF1632ZZ SFR188PP
SFR1810 DDRIF-8516 SSRIF-8516 S8516FC SFR1810 SRF2032 SFR1810
SFR1810ZZ DDRIF-8516ZZ SSRIF-8516ZZ S8516FCHH SFR1810SS SRF2032ZZ SFR1810PP

 

This ball bearing cross-reference is a guide for interchanging ball bearing part numbers among ball bearing manufacturers. This bearing cross reference is offered as a guide only, as manufacturers change ball bearing nomenclature occasionally. Therefore, the guide is offered to assist in the bearing cross reference process, but not as a final and complete ball bearing interchange. Please consult PACAMOR KUBAR BEARINGS engineering team if you require additional ball bearing cross reference information not included in this bearing interchange guide.

 

PACAMOR KUBAR BEARINGS has ball bearing options to satisfy any requirement. Technical expertise is available to assist with design engineering for custom products. Available options include, but are not limited to, custom rings, retainers, balls, shields, seals, lubricants, and packaging. You can be certain, whether our ball bearing is included in the Original Equipment Manufacturer’s design or is installed in a high quality overhaul, the PACAMOR KUBAR BEARINGS’ name is one you can trust.

 

Engineering assistance available.  Contact sales@pacamor.com