LM □ UU-AJ -Ningbo Yutong Bearing Co.,Ltd.

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Linear bearing standard series

Short

LM □ NUU

LM □ NAUU

Standard type

LM □ UU

LM □ AUU

LM □

LM □ M

LM □AM

LME □ UU

LME □ AUU

LMB □ UU

Clearance adjustment type

LM □ UU-AJ

LM □ M-AJ

LME □ UU-AJ

LMB □ UU-AJ

Open type

LM □ UU-OP

LM □ M-OP

LME □ UU-OP

LMB □ UU-OP

Standard lengthened

LM □ L

LM □ LUU

LM □ LM

LM □LAM

LM □ LAUU

LME □ LUU

LME □ LAUU

LMB □ LUU

Linear flange bearing series

Flanged Linear Motion Ball Bearing Series

LMF□

LMF □ UU

LMF □ M

LMF □ AM

LMF □ AUU

LMEF □ UU

LMEF □ AUU

LMBF □ UU

Method Blue

LMK □

LMK □ UU

LMK □ M

LMK □ AUU

LMK □ AM

LMEK □ AUU

LMEK □ UU

LMBK □ UU

Oval flange type

LMH □

LMH □ UU

LMH □ M

LMH □ AM

LMH □ AUU

Extended round flange type

LMF □ L

LMF □ LUU

LMF □ LM

LMF □ LAM

LMF □ LAUU

LMEF □ LUU

LMEF □ LAUU

LMBF □ LUU

Lengthening method blue type

LMK □ L

LMK □ LUU

LMK □ LM

LMK □ LAM

LMK □ LAUU

LMEK □ LUU

LMEK □ LAUU

LMBK □ LUU

Extended oval flange type

LMH □ L

LMH □ LUU

LMH □ LM

LMH □ LAM

LMH □ LAUU

Guide round flange type

LMFP □ UU

LMFP □ M

LMFP □ AM

LMFP □ AUU

Orientation method blue type

LMKP □ UU

LMKP □ M

LMKP □AM

LMKP □ AUU

Guide oval flange type

LMHP □ UU

LMHP □ M

LMHP □ AM

LMHP □ AUU

Extended guide round flange type

LMFP □ LUU

LMFP □ LM

LMFP □ LAM

LMFP □ LAUU

Lengthen guide method blue type

LMKP □ LUU

LMKP □ LM

LMKP □ LAM

LMKP □ LAUU

Extended guide oval flange type

LMHP □ LUU

LMHP □ LM

LMHP □ LAM

LMHP □ LAUU

Extended middle round flange type

LMFC □ LUU

LMFC □ LM

LMFC □ LAM

LMFC □ LAUU

LMEFC □ LUU

LMEFC □ LAUU

LMBFC □ LUU

Lengthen the middle method blue type

LMKC □ LUU

LMKC □ LM

LMKC □ LAM

LMKC □ LAUU

LMEKC □ LUU

LMEKC □ LAUU

LMBKC □ LUU

Lengthened middle oval flange type

LMHC □ LUU

LMHC □ LM

LMHC □ LAM

LMHC □ LAUU

Stainless steel linear bearing series

Stainless steel sub standard standard type

SLM□MDDStainless steel sub standard standard type (steel protection)

SLM□MStainless steel sub standard standard type (steel without sealing ring)

SLM□DDStainless steel sub standard standard type

Stainless steel sub standard extended type

SLM□LMDDStainless steel sub standard extended type (steel protection)

SLM□LMStainless steel sub standard extended type (steel without sealing ring)

SLM□LDDStainless steel sub standard extended type

Stainless steel sub standard round flange type

SLMF□MDDStainless steel sub standard round flange type (steel protection)

SLMF□MStainless steel sub standard round flange type (steel without sealing ring)

SLMF□MStainless steel sub standard round flange type

Stainless steel sub standard method - Blue type

SLMK□MDDStainless steel sub standard method - Blue type (steel protection)

SLMK□MStainless steel sub standard method blue type (steel without sealing ring)

SLMK□DDStainless steel sub standard method - Blue type

Stainless steel sub standard elliptical flange type

SLMH□MDDStainless steel sub standard elliptical flange type (steel protection)

SLMH□MStainless steel sub standard elliptical flange type (steel without sealing ring)

SLMH□DDStainless steel sub standard elliptical flange type

Stainless steel sub standard extended round flange type

SLMF□LMDDStainless steel sub standard extended round flange type (steel protection)

SLMF□LMStainless steel sub standard extended round flange type (steel without sealing ring)

SLMF□LDDStainless steel sub standard extended round flange type

Stainless steel sub standard rectangular flange type

SLMK□LMDDStainless steel sub standard elongation method - Blue type (steel protection)

SLMK□LMStainless steel sub standard elongation method blue type (steel without sealing ring)

SLMK□LDDStainless steel sub standard elongation method blue type

Stainless steel sub standard elongated elliptical flange type

SLMH□LMDDStainless steel sub standard extended elliptical flange type (steel protection)

SLMH□LMStainless steel sub standard extended elliptical flange type (steel without sealing ring)

SLMH□LDDStainless steel sub standard elongated elliptical flange type

Medium Bearing Series

Medium standard

LM □ RUU

LM □ RAUU

Medium round flange type

LMF □ RUU

LMF □ RAUU

Flanged Linear Motion Ball Bearing Series

LMK □ RUU

LMK □ RAUU

Medium oval flange type

LMH □ RUU

LMH □ RAUU

Medium guide round flange type

LMFP □ RUU

LMFP □ RAUU

Medium Oriented Method Blue Type

LMKP □ RUU

LMKP □ RAUU

Medium-sized guided oval flange type

LMHP □ RUU

LMHP □ RAUU

Medium middle round flange type

LMFC □ RUU

LMFC □ RAUU

Medium-sized intermediate method blue type

LMKC □ RUU

LMKC □ RAUU

Medium middle oval flange type

LMHC □ RUU

LMHC □ RAUU

Self-lubricating bearing series

Self-lubricating standard

LM □ UU-MX

LM □ AUU-MX

Self-lubricating extended type

LM □ LUU-MX

LM □ LAUU-MX

Self-lubricating round flange type

LMF □ UU-MX

LMF □ AUU-MX

Self-lubricating method blue type

LMK □ UU-MX

LMK □ AUU-MX

Self-lubricating oval flange type

LMH □ UU-MX

LMH □ AUU-MX

Self-lubricating extended round flange type

LMF □ LUU-MX

LMF □ LAUU-MX

Self-lubricating lengthening method blue type

LMK □ LUU-MX

LMK □ LAUU-MX

Self-lubricating extended oval flange type

LMH □ LUU-MX

LMH □ LAUU-MX

Self-lubricating guide round flange type

LMFP □ UU-MX

LMFP □ AUU-MX

Self-lubricating guide method blue type

LMKP □ UU-MX

LMKP □ AUU-MX

Self-lubricating guide oval flange type

LMHP □ UU-MX

LMHP □ AUU-MX

Self-lubricating extended guide round flange type

LMFP □ LUU-MX

LMFP □ LAUU-MX

Self-lubricating lengthened guide method blue type

LMKP □ LUU-MX

LMKP □ LAUU-MX

Self-lubricating extended guide oval flange type

LMHP □ LUU-MX

LMHP □ LAUU-MX

Self-lubricating middle round flange type

LMFC □ LUU-MX

LMFC □ LAUU-MX

Self-lubricating intermediate method blue type

LMKC □ LUU-MX

LMKC □ LAUU-MX

Self-lubricating middle oval flange type

LMHC □ LUU-MX

LMHC □ LAUU-MX

Triple lengthened bearing series

Triple lengthened round flange type

LMF □ TUU

LMF □ TM

LMF □ TAM

LMF □ TAUU

Triple lengthening method blue type

LMK □ TUU

LMK □ TM

LMK □ TAM

LMK □ TAUU

Triple lengthened oval flange type

LMH □ TUU

LMH □ TM

LMH □ TAM

LMH □ TAUU

Three times longer guide round flange type

LMFP □ TUU

LMFP □ TM

LMFP □ TAM

LMFP □ TAUU

Three times longer guide method blue type

LMKP □ TUU

LMKP □ TM

LMKP □ TAM

LMKP □ TAUU

Three times longer guide oval flange type

LMHP □ TUU

LMHP □ TM

LMHP □ TAM

LMHP □ TAUU

Triple intermediate round flange type

LMFC □ TUU

LMFC □ TM

LMFC □ TAM

LMFC □ TAUU

Triple intermediate method blue type

LMKC □ TUU

LMKC □ TM

LMKC □ TAM

LMKC □ TAUU

Triple middle oval flange type

LMHC □ TUU

LMHC □ TM

LMHC □ TAM

LMHC □ TAUU

Compact bearing series

Compact standard

LMC □ UU

LMC □ AUU

Compact and long type

LMC □ LUU

LMC □ LAUU

Compact round flange type

LMCF □ UU

LMCF □ AUU

Compact method blue type

LMCK □ UU

LMCK □ AUU

Compact oval flange type

LMCH □ UU

LMCH □ AUU

Compact lengthened round flange type

LMCF □ LUU

LMCF □ LAUU

Compact lengthening method blue type

LMCK □ LUU

LMCK □ LAUU

Compact lengthened oval flange type

LMCH □ LUU

LMCH □ LAUU

Compact guide round flange type

LMCFP □ UU

LMCFP □ AUU

Compact guide method blue type

LMCKP □ UU

LMCKP □ AUU

Compact guided oval flange type

LMCHP □ UU

LMCHP □ AUU

Compact lengthened guide round flange type

LMCFP □ LUU

LMCFP □ LAUU

Compact lengthened guide method blue type

LMCKP □ LUU

LMCKP □ LAUU

Compact and long guide oval flange type

LMCHP □ LUU

LMCHP □ LAUU

Compact center round flange type

LMCFC □ LUU

LMCFC □ LAUU

Compact intermediate method blue type

LMCKC □ LUU

LMCKC □ LAUU

Compact middle oval flange type

LMCHC □ LUU

LMCHC □ LAUU

Stamped outer ring type

KH □□

KH □□ PP

Linear motion ball bearing slide units

Slider type

SC □ UU

SC □ M

SCE □ UU

Short slider type

SC □ VUU

SC □ VM

SCE □ VUU

Lengthened slider type

SC □ LUU

SC □ LM

SCE □ LUU

Slide unit open type

SBR □ UU

SBR □ M

SBR □ UU-FC

Lengthened slider unit open type

SBR □ LUU

SBR □ LM

Widened slider unit opening type

TBR □ UU

TBR □ M

Medium slider type

SC □ RUU

Double extension slider type

SC □ EUU

Triple lengthened slider type

SC □ TUU Triple Extended Sliding Block Type

Shaft support

Vertical shaft support

SK type

Horizontal shaft support

SHF type

Model	Production standard	Shell			rolling ball		Retainer		Accessory (seal) material
Model	Production standard	Material	Hardness (HRC)	Surface treatment	Material	Hardness (HRC)	Material	Using temperature℃	Skeleton	Rubber
LM □ UU-AJ	GB/T16940-2012	GCr15	60～64	-	GCr15	61～66	Resin	-20～80	65Mn	Nitrile rubber
LM □ AUU-AJ	GB/T16940-2012	GCr15	60～64	Electroless nickel plating	GCr15	61～66	Resin	-20～80	65Mn	Nitrile rubber
LM □ M-AJ	GB/T16940-2012	GCr15	60～64	-	GCr15	61～66	304 stainless steel	-20～150	65Mn	-
LM □ AM-AJ	GB/T16940-2012	GCr15	60～64	Electroless nickel plating	GCr15	61～66	304 stainless steel	-20～150	65Mn	-

LM □ UU-AJ

3D Physical map

3D CAD diagram

Product Parameters

model

YTP (Resin Retainer) LM12UU-AJ

YTP (Steel Protection) LM12M-AJ

YHDA LMC41-d12

NB SM12GUU-AJ

SAMICK LM12UU-AJ
Number of Ball Columns

column 4
weight

（g） 31
Main dimensions

Inner diameter dr 12

Inner diameter
tolerance 0    -0.009

Outer diameter D 21

Outer diameter
tolerance 0    -0.013

Length
L 30

Length
tolerance 0    -0.20

External stop groove
B 23

Outer stop groove
tolerance 0    -0.20

External stop groove
D1 20

W 1.3

h 1.5
Radial runout(MAX.) 0.012
Basic rated load

C(kgf) 42

Co(kgf) 61