SN TYPE. Toll Free: Fax: NB Shaft. 777 Schwab Road, Suite T, Hatfield, PA part number structure h5 576.

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1 SN TYPE NB Shaft structure example SN h 7 SN type (D) () tolerance g when blank straight machined (example) SN 3 SN 4 SN SN SN 8 SN 10 SN SN 13 SN SN SN SN SN SN SN SN SN 0 SN 80 SN SN1 SN1 g* 3 2/ / material: high-carbon chromium bearing steel(suj2) hardness: HV97 (0HRC) or more Tolerances other than *g are available upon request

2 SIDE GUIDE SNS TYPE NB Stainless Steel Shaft BA SPINE ROTARY BA SPINE structure example SNS SNS type (D) straight h 7 () tolerance g when blank machined (example) TOPBA PRODUCTS SIDE BUSH SIDE UNIT SNS 3 SNS 4 SNS SNS SNS 8 SNS 10 SNS SNS 13 SNS SNS SNS SNS SNS SNS SNS SNS 0 SNS 80 SNS g* 3 2/ /27 0 material: Martensite stainless steel (equivalent to SUS4C) hardness: HV3 (8HRC) or more, HV13 (HRC) or more for 3~ The of hardening is up to for shafts with diameter over 80. Tolerances other than *g are available upon request STROKE BUSH SIDEROTARYBUSH SIDE SHAFT SIDE WAY SIDE TABE GONIO WAY ACTUATOR SIDE SCREW

3 SNT TYPE NB Pipe Shaft structure example SNT h 7 SNT type (D) () tolerance g when blank straight machined (example) *g m SNT 4/9 SNT 8 8 SNT SNT SNT SNT SNT 7 SNT SNT SNT 9 SNT SNT SNT SNT SNT /27 inner diameter d material: high-carbon chromium bearing steel (SUJ2)hardness: HV97 (0HRC) or more Tolerances other than *g are available upon request

4 SIDE GUIDE NB CENTER-INED TAPPED SHAFT A larger diameter shaft can overcome problems in maintaining precision functionality when a high or unbalanced load is applied. The application of the center-lined tapped shaft together with the SA type support base is ideal in such cases (see SA dimensional table on pages E-32 and E-33). The center-lined tapped shaft is standardized to simplify selection. structure example SNSB 7 material SNB SUJ2 equivalent to SNSB SUS4C () (D) BA SPINE ROTARY BA SPINE TOPBA PRODUCTS SIDE BUSH SIDE UNIT N: -KP 2 K: of pitches STROKE BUSH SIDEROTARYBUSH NB Center-ined Tapped Shaft pitch g* P m SNB10 10 /11 SNB SNB SNB 1 SNB 1 7 SNB SNB SNB 9 SNB SNB bolt size M M 4 M 4 M 4 M M M M 8 M 8 M 8 M10 tap depth material: high-carbon chromium bearing steel (SUJ2) hardness: HV97 (0HRC) or more *g is standard tolerance for the. maximum max 1, 1, 2,000 2,000 3,000 4,000 4,,000,000,000 NB Center-ined Stainless Tapped Shaft pitch bolt size g* P M m SNSB /14 1 M SNSB 1 M 7 SNSB M SNSB M 8 SNSB M 8 9 SNSB M 8 SNSB M10 tap depth maximum max 2,000 3,000 4,000 4,,000,000,000 material: martensite stainless steel (equivalent to SUS4C) hardness: HV3 (8HRC) or more *g is standard tolerance for the. SIDE SHAFT SIDE WAY SIDE TABE GONIO WAY ACTUATOR SIDE SCREW

5 FINE SHAFT The NB fine shaft is standardized as the most frequently used slide shafts with the NB slide bush. The diversification of industrial needs for rationalization, energy conservation, lower cost, etc. is proceeding rapidly. In such an environment, NB Fine Shafts are produced to maintain the highest quality and accuracy while lowering the component cost. structure example SNSF 7 material SF SUJ2(solid) equivalent to SNSF SUS4C (solid) SNTF SUJ2(hollow) total () (D) Fine Shaft (SF Type) SF SF 8 SF10 SF SF13 SF SF SF SF SF SF SF g m 4/ *JISB0 coarse-grade applies to the () material: high-carbon chromium bearing steel (SUJ2)hardness: HV97 (0HRC) or more

6 SIDE GUIDE Stainless Fine Shaft (SNSF Type) SNSF SNSF 8 SNSF10 SNSF SNSF13 SNSF SNSF SNSF SNSF SNSF SNSF SNSF g m 4/ Pipe Fine Shaft (SNTF Type) 0 0 material: Martensite stainless steel (equivalent to SUS 4C) hardness: HV3 (8HRC) or more, HV13 (HRC) or more for 3~ BA SPINE ROTARY BA SPINE TOPBA PRODUCTS SIDE BUSH SIDE UNIT inner diameter d g m 0 SNTF 4/ 2 SNTF SNTF SNTF SNTF SNTF 8 SNTF 10 7 SNTF SNTF SNTF 19 9 SNTF SNTF 2 material: high-carbon chromium bearing steelsuj2hardness: HV97 (0HRC) or more STROKE BUSH SIDEROTARYBUSH SIDE SHAFT SIDE WAY SIDE TABE GONIO WAY ACTUATOR SIDE SCREW