Miniature & Instrument Bearings

METRIC R SERIES MINIATURE BEARINGS
Part Number Interchange

This chart is intended as a reference only. The users should consult with the listed manufacturers' catalogs to establish dimensional interchangeability. Ball complements and load ratings may differ although dimensionally equivalent. NPB cannot be held responsible for any errors contained herein.

METRIC R SERIES | RADIAL OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER
STANDARD
REFERENCE
NUMBER
NHBB NMB GRW EZO/SPB NSK
SSR515 S691X SSR515 DDR515 SS691/1.5 S691X S691X
SSR615 S601X SSR615 DDR615 - S601X S601X
SSR620 S692 SSR620 DDR620 SS692 S692 S692
SSR720 S602 SSR720 DDR720 - S602 S602
SSR725 S692X SSR725 DDR725 SS69/2.5 S692X S692X
SSR825 S602X SSR825 DDR825 SS60/2.5 S602X S602X
SSR830 S693 SSR830 DDR830 SS693 S693 S693
SSR930 S603 SSR930 DDR930 - S603 S603
SSR1030 S623 SSR1030 DDR1030 SS623 S623 S623
SSR1140 S694 SSR1140 DDR1140 SS694 S694 S694
SSR1240 S604 SSR1240 DDR1240 SS604 S604 S604
SSR1340 S624 SSR1340 DDR1340 SS624 S624 S624
SSR1640 S634 SSR1640 DDR1640 SS634 S634 S634
SSR1350 S695 SSR1350 DDR1350 SS695 S695 S695
SSR1450 S605 SSR1450 DDR1450 SS605 S605 S605
SSR1650 S625 SSR1650 DDR1650 SS625 S625 S625
SSR1950 S635 SSR1950 DDR1950 SS635 S635 S635
SSR1560 S696 SSR1560 DDR1560 SS696 S696 S696
SSR1760 S606 SSR1760 DDR1760 - S606 S606
SSR1960 S626 SSR1960 DDR1960 SS626 S626 S626
SSR1970 S607 SSR1970 DDR1970 SS607 S607 S607
SSR2270 S627 SSR2270 DDR2270 SS627 S627 S627
SSR1980 S689 SSR1980 DDR1980 SS698 S698 S698
SSR2280 S608 SSR2280 DDR2280 SS608 S608 S608
METRIC R SERIES | RADIAL FLANGED OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER
STANDARD
REFERENCE
NUMBER
NHBB NMB GRW EZO/SPB NSK
SSRF515 - SSRF515 DDRF515 SSF69/1.5 SF691X SF691X
SSRF615 - SSRF615 DDRF615 - SF601X SF601X
SSRF620 - SSRF620 DDRF620 SSF692 SF692 SF692
SSRF720 - SSRF720 DDRF720 - SF602 SF602
SSRF725 - SSRF725 DDRF725 SSF69/2.5 SF682X SF682X
SSRF825 - SSRF825 DDRF825 - SF602X SF602X
SSRF830 - SSRF830 DDRF830 SSF693 SF693 SF693
SSRF930 - SSRF930 DDRF930 - SF603 SF603
SSRF1030 - SSRF1030 DDRF1030 SSF623 SF623 SF623
SSRF1140 - SSRF1140 DDRF1140 SSF694 SF6894 SF6894
SSRF1240 - SSRF1240 DDRF1240 SSF604 SF604 SF604
SSRF1340 - SSRF1340 DDRF1340 SSF624 SF624 SF624
SSRF1640 - SSRF1640 DDRF1640 SSF634 SF634 SF634
SSRF1350 - SSRF1350 DDRF1350 SSF695 SF695 SF695
SSRF1450 - SSRF1450 DDRF1450 SSF605 SF605 SF605
SSRF1650 - SSRF1650 DDRF1650 SSF625 SF625 SF625
SSRF1950 - SSRF1950 DDRF1950 SSF635 SF635 SF635
SSRF1560 - SSRF1560 DDRF1560 SSF696 SF696 SF696
SSRF1760 - SSRF1760 DDRF1760 SSF626 SF606 SF606
SSRF1960 - SSRF1960 DDRF1960 SSF607 SF626 SF626
SSRF1970 - SSRF1970 DDRF1970 SSF607 SF607 SF607
SSRF2270 - SSRF2270 DDRF2270 SSF627 SF627 SF627
SSRF1980 - SSRF1980 DDRF1980 SSF698 SF698 SF698
SSRF2280 - SSRF2280 DDRF2280 SSF608 SF608 SF608
METRIC R SERIES | RADIAL SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER
STANDARD
REFERENCE
NUMBER
NHBB NMB GRW EZO/SPB NSK
SSR515ZZ S691XZZ SSR515ZZ DDR515ZZ SS691/1.5ZZ S691XZZ S691XZZ
SSR615ZZ S601XZZ SSR615ZZ DDR615ZZ - S601XZZ S601XZZ
SSR620ZZ S692ZZ SSR620ZZ DDR620ZZ - S692ZZ S692ZZ
SSR720ZZ S602ZZ SSR720ZZ DDR720ZZ - S602ZZS S602ZZS
SSR725ZZ S692XZZ SSR725ZZ DDR725ZZ SS69/2.5ZZ S692XZZ S692XZZ
SSR825ZZ S602XZZ SSR825ZZ DDR825ZZ - S602XZZ S602XZZ
SSR830ZZ S693ZZ SSR830ZZ DDR830ZZ SS693ZZ S693ZZ S693ZZ
SSR930ZZ S603ZZ SSR930ZZ DDR930ZZ - S603ZZ S603ZZ
SSR1030ZZ S623ZZ SSR1030ZZ DDR1030ZZ SS623-2Z S623ZZ S623ZZ
SSR1140ZZ S694ZZ SSR1140ZZ DDR1140ZZ SS694-2Z S694ZZ S694ZZ
SSR1240ZZ S604ZZ SSR1240ZZ DDR1240ZZ SS604-2Z S604ZZ S604ZZ
SSR1340ZZ S624ZZ SSR1340ZZ DDR1340ZZ SS624-2Z S624ZZ S624ZZ
SSR1640ZZ S634ZZ SSR1640ZZ DDR1640ZZ SS634-2Z S634ZZ S634ZZ
SSR1350ZZ S695ZZ SSR1350ZZ DDR1350ZZ SS695-2Z S695ZZ S695ZZ
SSR1450ZZ S605ZZ SSR1450ZZ DDR1450ZZ SS605-2Z S605ZZ S605ZZ
SSR1650ZZ S625ZZ SSR1650ZZ DDR1650ZZ SS625-2Z S625ZZ S625ZZ
SSR1950ZZ S635ZZ SSR1950ZZ DDR1950ZZ SS635-2Z S635ZZ S635ZZ
SSR1560ZZ S696ZZ SSR1560ZZ DDR1560ZZ SS696-2Z S696ZZ S696ZZ
SSR1760ZZ S606ZZ SSR1760ZZ DDR1760ZZ - S606ZZ S606ZZ
SSR1960ZZ S626ZZ SSR1960ZZ DDR1960ZZ SS626-2Z S626ZZ S626ZZ
SSR1970ZZ S607ZZ SSR1970ZZ DDR1970ZZ SS607-2Z S607ZZ S607ZZ
SSR2270ZZ S627ZZ SSR2270ZZ DDR22740ZZ SS627-2Z S627ZZ S627ZZ
SSR1980ZZ S698ZZ SSR1980ZZ DDR1980ZZ SS698-2Z S698ZZ S698ZZ
SSR2280ZZ S608ZZ SSR2280ZZ DDR2280ZZ SS608-2Z S608ZZ S608ZZ
METRIC R SERIES | RADIAL FLANGED SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER
STANDARD
REFERENCE
NUMBER
NHBB NMB GRW EZO/SPB NSK
SSRF515ZZ - SSRF515ZZ DDRF515ZZ - SF691XZZ SF691XZZ
SSRF615ZZ - SSRF615ZZ DDRF615ZZ - SF601XZZ SF601XZZ
SSRF620ZZ - SSRF620ZZ DDRF620ZZ - SF692ZZ SF692ZZ
SSRF720ZZ - SSRF720ZZ DDRF720ZZ - SF602ZZS SF602ZZS
SSRF725ZZ - SSRF725ZZ DDRF725ZZ SSF69/2.5-2Z SF692XZZ SF692XZZ
SSRF825ZZ - SSRF825ZZ DDRF825ZZ - SF602XZZ SF602XZZ
SSRF830ZZ - SSRF830ZZ DDRF830ZZ SSF693-2Z SF693ZZ SF693ZZ
SSRF930ZZ - SSRF930ZZ DDRF930ZZ - SF603ZZ SF603ZZ
SSRF1030ZZ - SSRF1030ZZ DDRF1030ZZ SSF623-2Z SF623ZZ SF623ZZ
SSRF1140ZZ - SSRF1140ZZ DDRF1140ZZ SSF694-2Z SF694ZZ SF694ZZ
SSRF1240ZZ - SSRF1240ZZ DDRF1240ZZ SSF604-2Z SF604ZZ SF604ZZ
SSRF1340ZZ - SSRF1340ZZ DDRF1340ZZ SSF624-2Z SF624ZZ SF624ZZ
SSRF1640ZZ - SSRF1640ZZ DDRF1640ZZ SSF634-2Z SF634ZZ SF634ZZ
SSRF1350ZZ - SSRF1350ZZ DDRF1350ZZ SSF695-2X SF695ZZ SF695ZZ
SSRF1450ZZ - SSRF1450ZZ DDRF1450ZZ SS605-2Z SF605ZZ SF605ZZ
SSRF1650ZZ - SSRF1650ZZ DDRF1650ZZ SSF625-2Z SF625ZZ SF625ZZ
SSRF1950ZZ - SSRF1950ZZ DDRF1950ZZ SSF635-2Z - -
SSRF1560ZZ - SSRF1560ZZ DDRF1560ZZ SSF696-2Z SF696ZZ SF696ZZ
SSRF1760ZZ - SSRF1760ZZ DDRF1760ZZ - SF606ZZ SF606ZZ
SSRF1960ZZ - SSRF1960ZZ DDRF1960ZZ SSF626-2Z SF626ZZ SF626ZZ
SSRF1970ZZ - SSRF1970ZZ DDRF1970ZZ SS607-2Z SF607ZZ SF607ZZ
SSRF2270ZZ - SSRF2270ZZ DDRF2270ZZ SSF627-2Z SF627ZZ SF627ZZ
SSRF1980ZZ - SSRF1980ZZ DDRF1980ZZ SSF698-2Z - -
SSRF2280ZZ - SSRF2280ZZ DDRF2280ZZ SSF608-2Z SF608ZZ SF608ZZ