Miniature & Instrument Bearings

METRIC L 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 L SERIES | RADIAL OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER
STANDARD
REFERENCE
NUMBER
NHBB NMB GRW EZO/SPB NSK
SSL310 S681 SSL310 DDL310 SS681 S681 S681
SSL415 S681X SSL415 DDL415 SS68/1.5 S681X S681X
SSL520 S682 SSL520 DDL520 SS682 S682 S682
SSL625 S682X SSL625 DDL625 SS682/2.5 S682X S682X
SSL630 SMR63 SSL630 DDL630 SS673 SMR63 SMR63
SSL730 S683 SSL730 DDL730 SS683 S683 S683
SSL740 SMR74 SSL740 DDL740 SS674 SMR74 SMR74
SSL840 SMR84 SSL840 DDL840 - SMR84 SMR84
SSL940 S684 SSL940 DDL940 SS684 S684 S684
SSL1040 SMR104 SSL1040 DDL1040 - SMR104 SMR104
SSL850 SMR85 SSL850 DDL850 SS675 SMR85 SMR85
SSL950 SMR95 SSL950 DDL950 - SMR95 SMR95
SSL1050 SMR105 SSL1050 DDL1050 - SMR105 SMR105
SSL1150 S685 SSL1150 DDL1150 SS685 S685 S685
SSL1060 SMR106 SSL1060 DDL1060 SS676 SMR106 SMR106
SSL1260 SMR126 SSL1260 DDL1260 - SMR126 SMR126
SSL1360 S686 SSL1360 DDL1360 SS686 S686 S686
SSL1170 SMR117 SSL1170 DDL1170 SS677 SMR117 SMR117
SSL1370 SMR137 SSL1370 DDL1370 - SMR137 SMR137
SSL1470 S687 SSL1470 DDL1470 SS687 S687 S687
SSL1280 SMR128 SSL1280 DDL1280 SS678 SMR128 SMR128
SSL1480 SMR148 SSL1480 DDL1480 - SMR148 SMR148
SSL1680 S688 SSL1680 DDL1680 SS688 S688 S688
SSL1790 S689 SSL1790 DDL1790 SS689 S689 S689
SSL2090 S699 SSL2090 DDL2090 - S699 S699
SSL1910 S6800 SSL1910 DDL1910 SS6800 - -
METRIC L SERIES | RADIAL FLANGED OPEN MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER
STANDARD
REFERENCE
NUMBER
NHBB NMB GRW EZO/SPB NSK
SSLF310 - SSLF310 DDLF310 SSF681 SF681 SF681
SSLF415 - SSLF415 DDLF415 SSF68/1.25 SF681X SF681X
SSLF520 - SSLF520 DDLF520 SSF682 SF682 SF682
SSLF625 - SSLF625 DDLF625 SSF682/2.5 SF682X SF682X
SSLF630 - SSLF630 DDLF630 SSF673 SMF63 SMF63
SSLF730 - SSLF730 DDLF730 SSF683 SF683 SF683
SSLF740 - SSLF740 DDLF740 SSF674 SMF74 SMF74
SSLF840 - SSLF840 DDLF840 - SMF84 SMF84
SSLF940 - SSLF940 DDLF940 SSF684ZZ SF684 SF684
SSLF1040 - SSLF1040 DDLF1040 - SMF104 SMF104
SSLF850 - SSLF850 DDLF850 SSF675 SMF85 SMF85
SSLF950 - SSLF950 DDLF950 - SMF95 SMF95
SSLF1050 - SSLF1050 DDLF1050 - SMF105 SMF105
SSLF1150 - SSLF1150 DDLF1150 SSF685 SF685 SF685
SSLF1060 - SSLF1060 DDLF1060 - SMF106 SMF106
SSLF1260 - SSLF1260 DDLF1260 - SMF126 SMF126
SSLF1360 - SSLF1360 DDLF1360 SS686 SF686 SF686
SSLF1170 - SSLF1170 DDLF1170 - SMF117 SMF117
SSLF1370 - SSLF1370 DDLF1370 - SMF137 SMF137
SSLF1470 - SSLF1470 DDLF1470 SSF687 SF687 SF687
SSLF1280 - SSLF1280 DDLF1280 - SMF128 SMF128
SSLF1480 - SSLF1480 DDLF1480 - SMF148 SMF148
SSLF1680 - SSLF1680 DDLF1680 SSF688 SF688 SF688
SSLF1790 - SSLF1790 DDLF1790 SSF689 SF6800 SF6800
METRIC L SERIES | RADIAL SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER
STANDARD
REFERENCE
NUMBER
NHBB NMB GRW EZO/SPB NSK
SSL310ZZ - SSL310ZZ DDL310ZZ - S681ZZ S681ZZ
SSL415ZZ - SSL415ZZ DDL415ZZ SS68/1.5-2Z S681XZZ S681XZZ
SSL520ZZ S682ZZ SSL520ZZ DDL520ZZ SS682-2Z S682ZZ S682ZZ
SSL625ZZ S682XZZ SSL625ZZ DDL625ZZ SS682/2.5-2Z S682XZZ S682XZZ
SSL630ZZ SMR63ZZ SSL630ZZ DDL630ZZ SS673-2Z SMR63ZZS SMR63ZZS
SSL730ZZ S683ZZ SSL730ZZ DDL730ZZ SS683-2Z S683ZZ S683ZZ
SSL740ZZ SMR74ZZ SSL740ZZ DDL740ZZ SS674-2Z SMR74ZZS SMR74ZZS
SSL840ZZ SMR84ZZ SSL840ZZ DDL840ZZ - SMR84ZZ SMR84ZZ
SSL940ZZ S684ZZ SSL940ZZ DDL940ZZ SS684-2Z S684ZZ S684ZZ
SSL1040ZZ SMR104ZZ SSL1040ZZ DDL1040ZZ - SMR104ZZ SMR104ZZ
SSL850ZZ SMR85ZZ SSL850ZZ DDL850ZZ SS675-2Z SMR85ZZS SMR85ZZS
SSL950ZZ SMR95ZZ SSL950ZZ DDL950ZZ - SMR95ZZS SMR95ZZS
SSL1050ZZ SMR105ZZ SSL1050ZZ DDL1050ZZ - SMR105ZZ SMR105ZZ
SSL1150ZZ S685ZZ SSL1150ZZ DDL1150ZZ SS685-2Z S685ZZ S685ZZ
SSL1060ZZ SMR106ZZ SSL1060ZZ DDL1060ZZ - SMR106ZZS SMR106ZZS
SSL1260ZZ SMR126ZZ SSL1260ZZ DDL1260ZZ - SMR126ZZ SMR126ZZ
SSL1360ZZ S686ZZ SSL1360ZZ DDL1360ZZ SS686-2Z S686ZZ S686ZZ
SSL1170ZZ SMR117ZZ SSL1170ZZ DDL1170ZZ - SMR117ZZS SMR117ZZS
SSL1370ZZ SMR137ZZ SSL1370ZZ DDL1370ZZ - SMR137ZZ SMR137ZZ
SSL1470ZZ S687ZZ SSL1470ZZ DDL1470ZZ SS687-2Z S687ZZ S687ZZ
SSL1280ZZ SMR128ZZ SSL1280ZZ DDL1280ZZ - SMR128ZZS SMR128ZZS
SSL1480ZZ SMR148ZZ SSL1480ZZ DDL1480ZZ SS688A/142-2Z SMR148ZZ SMR148ZZ
SSL1680ZZ S688ZZ SSL1680ZZ DDL1680ZZ SS688/003-2Z S688ZZ S688ZZ
SSL1790ZZ S689ZZ SSL1790ZZ DDL1790ZZ - S689ZZ S689ZZ
SSL2090ZZ S699ZZ SSL2090ZZ DDL2090ZZ SS699ZZ S699ZZ S699ZZ
SSL1910ZZ S6800ZZ SSL1910ZZ DDL1910ZZ SS6800-2Z S63800ZZ S63800ZZ
METRIC L SERIES | RADIAL FLANGED SHIELDED MINIATURE BEARINGS INTERCHANGE CHART
NPB
BASIC PART
NUMBER
STANDARD
REFERENCE
NUMBER
NHBB NMB GRW EZO/SPB NSK
SSLF520ZZ - SSLF520ZZ DDLF520ZZ SSF682-2Z SF682ZZ SF682ZZ
SSLF625ZZ - SSLF625ZZ DDLF625ZZ SSF682-2Z SF682XZZ SF682XZZ
SSLF630ZZ - SSLF630ZZ DDLF630ZZ - SMF63ZZ SMF63ZZ
SSLF730ZZ - SSLF730ZZ DDLF730ZZ SSF683-2Z SF683ZZ SF683ZZ
SSLF740ZZ - SSLF740ZZ DDLF740ZZ - SMF74ZZS SMF74ZZS
SSLF840ZZ - SSLF840ZZ DDLF840ZZ - SMF84ZZ SMF84ZZ
SSLF940ZZ - SSLF940ZZ DDLF940ZZ SSF684-2Z SF684ZZ SF684ZZ
SSLF1040ZZ - SSLF1040ZZ DDLF1040ZZ - SMF104ZZ SMF104ZZ
SSLF850ZZ - SSLF850ZZ DDLF850ZZ - SMF85ZZS SMF85ZZS
SSLF950ZZ - SSLF950ZZ DDLF950ZZ - SMF95ZZS SMF95ZZS
SSLF1050ZZ - SSLF1050ZZ DDLF1050ZZ - SMF105ZZ SMF105ZZ
SSLF1150ZZ - SSLF1150ZZ DDLF1150ZZ SSF685-2Z SF685ZZ SF685ZZ
SSLF1060ZZ - SSLF1060ZZ DDLF1060ZZ - SMF106ZZS SMF106ZZS
SSLF1260ZZ - SSLF1260ZZ DDLF1260ZZ - SMF126ZZ SMF126ZZ
SSLF1360ZZ - SSLF1360ZZ DDLF1360ZZ SSF686-2Z SF686ZZ SF686ZZ
SSLF1170ZZ - SSLF1170ZZ DDLF1170ZZ - SMF117ZZS SMF117ZZS
SSLF1370ZZ - SSLF1370ZZ DDLF1370ZZ - SMF137ZZ SMF137ZZ
SSLF1470ZZ - SSLF1470ZZ DDLF1470ZZ SSF687-2Z SF687ZZ SF687ZZ
SSLF1280ZZ - SSLF1280ZZ DDLF1280ZZ - SMF128ZZS SMF128ZZS
SSLF1480ZZ - SSLF1480ZZ DDLF1480ZZ - SMF148ZZ SMF148ZZ
SSLF1680ZZ - SSLF1680ZZ DDLF1680ZZ SSF688/003-2Z SF688ZZ SF688ZZ
SSLF1790ZZ - SSLF1790ZZ DDLF1790ZZ - SF689ZZ SF689ZZ