16 SKN SNN Model Block Dimensions (mm) Rail Dimensions (mm) H H1 A A1 A3 C L L1 B F M V V1 K K1 K2 A2 R R1 R2 R3 P E MIN RAIL BOLT SKN 20 28 23 42 32 11 - 55 31.9 8 M3 x 5 M5 6 6.3 - - 20.1 20 20.55 9.4 6 7.35 60 10 M5 SNN 20 32 72.5 49.6 13 SKN 25 33 26.5 48 35 12.5 - 62 38.6 8 M3 x 5 M6 7.5 7 4.1 25 24.5 23 24.25 11 7 9.05 60 10 M6 SNN 25 35 81 57.8 17 16.6 NB1: For O-ring Size 20 ~ 25 = Ø5 x 1.0 mm NB2: Size 20 ~ 25 = DIN 3405 - A M3x5 lube nipple Size 20: lubrication ports on end face only Size 25: lubrication ports on all seal faces R R1 R2 R3 ±0.5 K L +0.5 E P B C K1 A2 A3 H H1 V K A A1 V1 2x F L1 C K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 B A 5 6 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 A4 C WEIGHT: BSNS-R250-1-360-C1H A2 A3 H H1 V K A A1 V1 2x F R R3 ±0.5 R2 R1 K L + 0.5 B P E K1 L1 K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 5 6 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 WEIGHT: BSKS-R250-1-360-C R R1 R2 R3 ±0.5 K L +0.5 E P B C K1 A2 A3 H H1 V K A A1 V1 2x F L1 C K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 B A 5 6 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 A4 C WEIGHT: BSNS-R250-1-360-C1H R R1 R2 R3 ±0.5 K L +0.5 E P B C K1 A2 A3 H H1 V K A A1 V1 2x F L1 C K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 B A 5 6 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 A4 C WEIGHT: BSNS-R250-1-360-C1H LINEAR BALL GUIDES ARE STOCKED IN H GRADE WITH STANDARD SEALS ONLY OTHER ACCURACY GRADES AND SEAL OPTIONS ARE AVAILABLE ON REQUEST FAX: 01827 253390 www.apex-trans.co.uk TEL: 01827 253340 sales@apex-trans.co.uk A2 A3 H H1 V K A A1 V1 2x F R R3 ±0.5 R2 R1 K L + 0.5 B P E K1 L1 K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 5 6 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 A WEIGHT: BSKS-R250-1-360-C1H A2 A3 H H1 V K A A1 V1 2x F R R3 ±0.5 R2 R1 K L + 0.5 B P E K1 L1 K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 5 6 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 A WEIGHT: BSKS-R250-1-360-C1H A2 A3 H H1 V K A A1 V1 2x F R R3 ±0.5 R2 R1 K L + 0.5 B P E K1 L1 K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 5 6 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 WEIGHT: BSKS-R250-1-360-C A2 A3 H H1 V K A A1 V1 2x F R R3 ±0.5 R2 R1 K L + 0.5 B P E K1 L1 K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 5 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 WEIGHT: BSKS-R250-1-360-C A2 A3 H H1 V K A A1 V1 2x F R R3 ±0.5 R2 R1 K L + 0.5 B P E K1 L1 K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 5 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 WEIGHT: BSKS-R250-1-360- A2 A3 H H1 V K A A1 V1 2x F R R3 ±0.5 R2 R1 K L + 0.5 B P E K1 L1 K2 4x M NB2 NB1 B C D 1 2 A 3 2 1 4 5 6 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 WEIGHT: BSKS-R250-1-360-C Square – Low Profile Standard Ball Guides – Dimensions A2 A3 H V1 H1 K A V A1 2x F R R3 ±0.5 R1 R2 K L +0.5 P E B K1 K2 L1 2x M NB1 NB2 B C D 1 2 A 3 2 1 4 5 6 DRAWN CHK'D APPV'D MFG Q.A UNLESS OTHERWISE SPECIFIED: DIMENSIONS ARE IN MILLIMETERS SURFACE FINISH: TOLERANCES: LINEAR: ANGULAR: FINISH: DEBUR AND BREAK SHARP EDGES NAME SIGNATURE DATE MATERIAL: DO NOT SCALE DRAWING REVISION TITLE: DWG NO. SCALE:1:5 SHEET 1 OF 1 WEIGHT: BFKS-R250-1-360-C1