NSK S1 Series Precision Linear Guides - bearing

1 LownoiseSmoothermotionExtendedseriesSeri es of interchangeable products enablesfast new guide way system for machinery ensuresenvironmental compatibility and high quiet, smooth operation is friendly to both theworkplace and the environment. NSK S1 Series Precision Linear GuidesPatent Pending21 NSK S1 Series The NSK S1 Series meets the demand for smoother, silent motionThe popular Series has been updated and expanded into a complete lineup with a new Series of interchangeable products!The NSK S1 Series Linear guide features resinretainers between the balls to prevent collisionand rubbing. Ball groove construction is standard in the LHand LS noise and gentler toneTest conditions: Oil lubrication (VG68)Locate a microphone at500 mm above the sample(both for LH30 and LS20) Noise level depends on the level drops by approximately 6 dB (A) when the distance from themicrophone is level, dB (A)Operating speed, retaining pieceFig.

2 1 Noise level comparison between LH30 and SH30 Noise level, dB (A)Operating speed, 2 Noise level comparison between LS20 and SS20 Sound intensity levelFrequency, Hz06 0004 0002 0008 000 10 000 12 000LS20SS20 Fig. 3 Noise level comparison between LS20 and SS20 Feature1 Lower noise and gentler toneIncorporating a retainer piece and optimizing the circulation path enables steel ball circulationstability and the prevention of ball collision, resulting in noise reduction by 5 dB (A) or more thanthat of conventional NSK products. In addition, contributing to sound improvement (human-friendlysound quality) with lower noise levels, especially in the high-frequency range. NSK S1 Series Precision Linear GuidesTest model: NSK LH30 slight preloadEvaluation conditions: Grease lubrication, Operating speed of 1 m/minSmoother motionDynamic friction force, N 5 100510 Dynamic friction force, N 5 100510 Conventional designNSK S1 SeriesFig.

3 4 Comparison in smooth motion between LH30 and SH30 Dust generation rate, m or moreTime, hr0101001 00010 0000102030405060LS20+LG2SS20+LG2 Remarkable low dust generationFig. 5 Comparison of dust generation3 Feature2 Smoother motionImproved steel ball circulation stability, free of interference between the balls improvesdynamic friction characteristics, resulting in smooth and stable motion, which is especiallyeffective for low speed dust generationA resin retaining piece, which prevents steel balls collision, features effective low dustgeneration characteristics compared to conventional deliveryLineup of interchangeable rails and ball slides in the Series supports random matching andfacilitates fast AccuracyThe preloaded assembly types products havefour accuracy grades; Ultra Precision P3, Superprecision P4, High Precision P5 and Precision P6,while the interchangeable types have a regularclass 1 shows the accuracy standard for thepreloaded assembly type of the SH Series andSS Series , while Table 2 shows the accuracystandard for the interchangeable 1 Accuracy grade for the preloaded assembly typeAccuracy gradeUltra precisionSuper precisionHigh precisionPrecisionItemP3P4P5P6 Mounting height: H 10 10 20 40 Variation of mounting height: H 35715(All slides on a pair or rails)Mounting width dimension: W2or: W3 15 15 25 50 Variation of mounting width dimension: W2(s) or: W3(s)371020(All slides on datum rails)Running parallelism of face C against face AShown in Table 3 Running parallelism of face D against face BUnit: mAccuracy gradeNormal interchangeable typesItemPCMounting height: H 20 Variation of mounting height.

4 H (one rail)15 Variation of mounting height: H (multiple rails)30 Assembly width dimension: W2or : W3 30 Variation of assembly width dimension: W2(s) or: W3(s)25(All slides on datum rails)Running parallelism of face C against face AShown in Table 3 Running parallelism of face D against face BTable 2 Accuracy grade for the interchangeable typeTable 3 Running parallelism tolerancePreload assembly typesInterchangeable typesRail lengthUltra precisionSuper precisionHigh precisionPrecision(mm) 802235680 20022467200 400236911400 5002361012500 1 000 1 250361017201 250 1 600471119231 600 2 000 2 5005101522292 500 3 1506111725323 150 4 0009162330344 NSK S1 Series Normalinterchangeable typeoveror lessNSK S1 Series Precision Linear GuidesMAXMINMAXMINR unning accuracy of ball slide top faceBottom datum of railSide datum of railRunning accuracy of side datum of ball slideHW2 DCABG roove mark for datum face (1)

5 KL markReference rail of preloaded assembly type onlyHW3 DCABG roove mark for datum faceKL markReference rail of preloaded assembly type only5 Fig. 6 Assembly dimentionsFig. 7 Running parallelismTable 4 Preload and rigidity of the SH SeriesTable 5 Preload and rigidity of the SS SeriesTable 6 Preload and rigidity of the interchangeable typesModelSlight preloadZZSH15 4 0SH20 5 0SH25 5 0SH30 7 0SH35 7 0 ModelSlight preloadZZSS15 4 0SS20 4 0SS25 5 0SS30 5 0SS35 8 0 Negative values indicate preload volume (elastic deformation of balls).Preload value of SH and SH Series interchangeable types are shown in Table S1 Series 2. Preload and ridigityWe offer three levels of preload: Medium preload(Z3), Slight preload (Z1) and Fine clearance (Z0),along with interchangeable types of Fine clearance(ZZ). Values for preload and rigidity of the SH andSS Series are shown in Tables 4 and loadcapacity typeUltra high loadcapacity typeRigidity (N/ m)Preload (N)Vertical directionLateral directionSlight preloadMedium preloadSlight preloadMedium preloadSlight preloadMedium preload(Z1)(Z3)(Z1)(Z3)(Z1)(Z3)SH15 AN, EL, FL7844112721588166SH20 AN, EL, FL147784157274127225SH25 AN, AL, EL, FL1961 180186343137255SH30 AN, AL2451 470196363137265SH30 EL, FL2941 670245441176323SH35 AN, AL, EL, FL3902 160294529205382SH15 BN, GL, HL98637186333137264SH20 BN, GL, HL1961 080235421186343SH25 BN, BL, GL, HL2451 570284529196382SH30 BN, BL, GL, HL3432 160333627235451SH35 BN, BL, GL, HL4902 840411755284529 ModelNote.

6 Because the clearance value for Fine clearance (Z0) is 0 3 m, the preload value is (N/ m)Preload (N)Vertical directionLateral directionSlight preloadMedium preloadSlight preloadMedium preloadSlight preloadMedium preload(Z1)(Z3)(Z1)(Z3)(Z1)(Z3)SS15 AL, EL, FL6939211821688157SS20 AL, EL, FL88490147255108186SS25 AL, EL, FL147833196353137255SS30 AL, EL, FL2451 370245441176323SS35 AL, EL, FL2941 860284539205392SS15 CL, JL, KL39245691274988SS20 CL, JL, KL593438815759118SS25 CL ,JL, KL9858810820678147SS30 CL, JL, KL14788212723598176SS35 CL, JL, KL1961 180166304117225 ModelNote: Because the clearance value for Fine clearance (Z0) is 0 3 m, the preload value is : mHigh loadcapacity typeMedium loadcapacity typeNSK S1 Series Precision Linear Guides30PC Z1000C2 SHANP reloadAccuracy gradeDesign serial numberExample: Number of ball slides per railSeries nameSizeRail length (mm)Ball slide shape/heightMaterial/surface treatment C: Special carbon steel (NSK standard)K: Stainless steelD: Special carbon steel + Surface treatmentH: Stainless steel + Surface treatmentPreload Z: Slight preloadS: Stainless steelNo code: Special carbon steel (NSK standard)Interchangeable ball slideSizeAZHAN SS30 Example: Series nameBall slide shape/heightAccuracy gradeWithout NSK K1 lubrication unitP3P4P5P6 PCWith NSK K1 lubrication unitK3K4K5K6 KCFine clearanceZ0 Slight preloadZ1 Medium preloadZ3 of accuracy and preload : number for single bearing of interchangeable types73.

7 Reference numberThis number comprises codes and numbers which indicate key specifications, and is generated when thecustomer and NSK have defined PreloadInterchangeablepreload ZZUltra superprecision Super Precision PrecisionHighPreload 7: Slight preloadInterchangeable railSize1ZH1000 SL30 Example: Series nameRail length (mm)S: Stainless steelNo code: Special carbon steel (NSK standard)1SS1000 TZL15 Example: Series nameSizeRail length (mm)Interchangeable ball slidePreload Z: Slight preloadS: Stainless steelNo code: Special carbon steel (NSK standard)T: With M4-bolt holes for rail mountingNo code: 35 With M3-bolt holes for rail number for single rail of interchangeable types4. Application examples Applications that require lower noise levels and a lower level of vibrationInstruments, printers, medical equipment, office machines, etc. Applications that require smoother motionElectric wire cutting discharge machines, scanners and patterngenerators and S1 Series 1.

8 Temperature range Maximum operating temperature: 50 CMaximum momentary temperature: 80 C 2. Usage conditions We recommend using NSK S1 Series products in a clean environment in order to utilize their full range of Handling of interchangeable types Interchangeable ball slide will be delivered with a provisional rail (inserting fixture).Do not remove the ball slide from provisional rail until inserting into a sure to use the provisional rail when removing ball slide(s) form a PrecautionsDimensions of SH SeriesSH-AN (High load type) / SH-BN (Super high load type)AssemblyBall slideModel LengthMounting tap holeGrease fittingHEW2 WLBJM pitch B1L1J1 KTHole sizeT1 NSH15AN SAH15BN7458 16SH20AN 665072512M6 11SH25AN 1 SAH25BN1075086 18SH30AN 19SH35AN 121080 15M6 SAH35BN14372114 21 RailBasic load ratingBall diameterWeightWidth HeightPitchMountingMax.

9 LengthDynamicStaticStatic momentBallRailbolt holeGLomaxCC0 MROMPOMYODW slideW1H1Fd D hB3(recommended) ( ) forstainless(N)(N)(N m)(N m)(N m)(kg)(kg/m) 0007 80014 (1 800)10 90023 96013 40022 (3 500)17 50037 11 96019 80036 (3 500)25 80049 14 1214204 00023 90040 (3 500)35 80067 14 1217204 00036 60063 60091 8001 2601 2651 Z1000C2 SHANP reloadAccuracy gradeDesign serial numberExample: Number of ball slides per railSeries nameSizeRail length (mm)Ball slide shape/heightMaterial/surface treatment C: Special carbon steel (NSK standard)K: Stainless steel (LH15 to LH30 only)JAPANTKHEW2W1WB4-MMROMYOB3B1 JAPANL1J1T1 NLJh DH1 dFGL0n F(G)MPOH 20 JAPANL1J1T1 NLJH 20 Z: Slight PreloadInterchangeable ball slideSize1ZH1000 SL30 Example: Series nameRail length (mm) S: Stainless steel No code: Special carbon steel (NSK standard) DH1L0n FF(G)GW1 dhB3 Preload Z: Slight preloadS: Stainless steelNo code: Special carbon steel (NSK standard)Interchangeable ball slideSizeAZHAN SS30 Example: Series nameBall slide shape/heightBWTKEHW1 MROMYOW2B14-M JAPANLJNT1 MPOJ1L1 JAPANLJNT1J1L1 Reference number for ball slide of interchangeable typesReference number for rail of interchangeable typesReference number For more details regarding joint rails, please contact regular rails (non-jointed rail)Front view of AN and BN typesSide view of AN typeBN typeAN type910 NSK S1 Series Side view of BN typeSH-AL (High load type) / SH-BL (Super high load type)30PC Z1000C2 SHALP reloadAccuracy gradeDesign serial numberExample: Number of ball slides per railSeries nameSizeRail length (mm)Ball slide shape/heightMaterial/surface treatment C.

10 Special carbon steel (NSK standard) K: Stainless steel (LH15 to LH30 only)FGhn FNJ1JL1 LNWB1H1T1T1BB3W1W2J1JL1L D d(G)L0 TKEH4-MMROMPOMYO Z: Slight PreloadInterchangeable ball slideSize1ZH1000 SL30 Example: Series nameRail length (mm) S: Stainless steel No code: Special carbon steel (NSK standard) DH1L0n FF(G)GW1 dhB3 Preload Z: Slight preloadInterchangeable bearingSizeAZHAL SS30 Example: Series nameBall slide shape/height S: Stainless steel No code: Special carbon steel (NSK standard)JLNNJLJ1L1J1L1T1T1 Reference number for ball slide of interchangeable typesReference number for rail of interchangeable typesFor more details regarding joint rails, please contact regular rails (non-jointed rail)Dimensions of SH Series1112 NSK S1 Series AssemblyBall slideModel LengthMounting tap holeGrease fittingHEW2 WLBJM pitch B1L1J1 KTHole 1 81080 15M6 21 RailBasic load ratingBall diameterWeightWidth HeightPitchMountingMax.