STAR – Precision Ball Screw Assemblies

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STAR – Precision Ball Screw Assemblies Pillow Block Unit SEA-F Fixed bearing with angular contact thrust ball bearing LGF-B-… The pillow block unit consists of: – precision pillow block housing with reference edges on two sides – angular contact thrust ball bearing LGF... – slotted nut NMA or NMZ The nut is delivered unmounted. Size Pillow block unit Angular contact thrust ball bearing Slotted nut Weight Part number Load ratings (axial) Dimensions (mm) dyn. stat. Designation MA Designation Complete d0 x P Complete C (N) C0 (N) d D B (Nm) (Kg) 20x5/20 1593-0-1200 17000 24700 12 55 25 LGF-B-1255 8.0 NMZ 12x1 0.98 25x5/10/25 1593-0-1730 18800 31000 17 62 25 LGF-B-1762 15.0 NMA 17x1 1.93 32x5/10/20/32 1593-0-2030 26000 47000 20 68 28 LGF-B-2068 18.0 NMA 20x1 2.16 40x5/10/12/16/20/40 1593-0-3030 29000 64000 30 80 28 LGF-B-3080 32.0 NMA 30x1.5 5.12 Suitable for screw end forms: 51 81 82 91 92 62 RE 83 301/12.99
H 2 D B 6 B 2 B RE 83 301/12.99 63 d H1 H5 B 1 H 4 B 4 B 3 Dimensions (mm) L 3 2 x M L2 M L 2 L 3 H 1 H 2 H 3 H 4 H 5 B 1 B 2 B 3 B 4 B 5 B 6 V S 1 S 2 S 3 P ±0.015 ±0.02 82 65 66 80 47 20 22 50 80 17 35 35 52.5 16 8 5.7 7 M8 0.2 112 85 90 110 59 27 36 46 110 17 45 45 67.5 26 10 7.7 9 M8 0.2 112 85 90 110 59 27 36 46 110 20 45 45 67.5 26 10 7.7 9 M8 0.2 167 120 100 165 86.5 35 54 65 165 20 50 90 95 28 13 9.7 13 M10 0.2 M V 4 x S 3 H 3 2 x S 1 B 5 4 x S2 ∅P ∅P ∅P
Page 1 and 2:
RE 83 301/12.99 STAR - Precision Ba
Page 3 and 4:
STAR - Precision Ball Screw Assembl
Page 5 and 6:
End machining details Bearings LAF
Page 7 and 8:
Short nut length Available ex stock
Page 9 and 10:
High axial load capacity Low fricti
Page 11 and 12: RE 83 301/12.99 11 Folding press La
Page 13 and 14: Nut types All nuts can be combined
Page 15 and 16: Order Code Precision Ball Screw Ass
Page 17 and 18: Ball screw with annealed ends For m
Page 19 and 20: D 5 Lube port at flange center L 3
Page 21 and 22: D 5 D 1 +0.7 L 5 L 3 L N.B.: On a p
Page 23 and 24: Lube port at flange center D5 +0.7
Page 25 and 26: Lube port at flange center L5 D5 D1
Page 27 and 28: L 11 RE 83 301/12.99 27 L L 6 L 7 L
Page 33 and 34: H 1 6x60° D 1 RE 83 301/12.99 33 E
Page 35 and 36: H 1 90° D 1 2 x B RE 83 301/12.99
Page 37 and 38: Friction-welded blanks made of prec
Page 39 and 40: Area of application The STAR - Grou
Page 41 and 42: Screw End Form 00, End not Annealed
Page 43 and 44: End Bearings for Screw Ends Form 01
Page 61: End Bearings for Screw Ends Form 91
Page 65 and 66: H 2 D d B 2 B D 1 RE 83 301/12.99 6
Page 67 and 68: B1 H1 H2 B4 B4 H4 H3 B2 S3 L3 L2 2
Page 69 and 70: H1 H2 H4 H3 B1 RE 83 301/12.99 69 L
Page 71 and 72: D D LGF-B-… LGF-A-… with slotte
Page 73 and 74: D D LGN-B-… LGN-A-… with slotte
Page 75 and 76: Dimensions (mm) Weight complete d D
Page 77 and 78: Housing nut GR - for angular contac
Page 79 and 80: Load-carrying capacities and servic
Page 81 and 82: Symbol definitions (excerpt): l0 =
Page 83 and 84: Axial run-out t 8 ´ of the shaft (
Page 85 and 86: Overall Rigidity The rigidity of a
Page 87 and 88: Screws with single nuts 2% preload
Page 89 and 90: R nu (N/µm) Screws with double nut
Page 91 and 92: Inserting the wiper-type seal Posit
Page 93 and 94: For NLGI 2-greases: The nut has to
Page 95 and 96: Calculation Example Service life Op
Page 97 and 98: Permissible axial load on screw F k
Page 99 and 100: Lubrication, Mounting the Housing M
Page 101 and 102: Average speed and average bearing l
Page 103 and 104: Rexroth Star GmbH D-97419 Schweinfu
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