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<strong>Gilman</strong>2750C<strong>Cartridge</strong> <strong>spindles</strong>2750C cartridge <strong>spindles</strong> <strong>and</strong>2750B <strong>block</strong> <strong>spindles</strong> areavailable with five st<strong>and</strong>ardnose types <strong>and</strong> six st<strong>and</strong>ardinternal construction types.Nose types:• #30 N.M.T.B. taper• Boring nose• HSKC40 manual clamp• 1/16 to 3/4 ER32 collet• .750 diameter straight boreInternal constructions:• X1 duplex ball bearing atnose end with contact seal• X2 duplex ball bearing atnose end with labyrinth seal• X2C duplex ceramic ballbearing at nose end withlabyrinth seal• X3 triplex ball bearing atnose end with contact seal• X4 triplex ball bearing atnose end with labyrinth seal• X4C triplex ceramic ballbearing at nose end withlabyrinth sealRefer to the 2750C/2750Bspecification chart, as well asthe sizing instructions on page5, to select the proper spindlefor your rotational requirements.Special designs are alsoavailable to meet your specificneeds.2750C Approx. wt. 15 lbs.For cartridge spindlebrackets, see “<strong>Gilman</strong> spindleaccessories”, page 47.Ø2.7501/4 Sq. keyØ2.7501/4 Sq. keyØ2.7501/4 Sq. key1.25Ø.9371/4 Sq. key3.871.25 2.003.871.25 2.00Ø.9373.871.25 2.00Ø.93711.883.87 6.38 2.002.002.88Ø.5312.256.3812.846.38Ø.53Ø.691.03.631.03.63**2.5912.50 .536.382.251.62Ø.53Stop screw1.03.63**.311.03.62Ø2.750 Ø4.00Ø2.48Ø2.750 Ø4.00Ø.937Ø2.751.25Ø2.750Ø.9371/4 Sq. key30 - #30 N.M.T.B. Taper shaft3.882.00Ø.5312.006.38Ø.53BN - Boring nose1.03.621.753.122.00.38.72Ø2.75Ø2.25 Ø4.00Ø.750*2750C & 2750B Specification chartØ4.00Ø2.765/16 Soc. HD. C.S. (4)Ø3.38 B.C..6253/8-16 Tap (4)Ø2.125 B.C.Ø1.3803M5X0.8 Tap (6)Ø1.969 B.C.3/8-16 Soc. S.S.ER32 ColletCollet range 1/16 to 3/4(Collet <strong>and</strong> wrenchnot included)Ø2.25 Ø4.00Ø1.97Ø2.755/16 Soc. HD. C.S. (4)Ø3.38 B.C.HM - HSKC40 Manual clamp(T-wrench not included)Bearing Maximum Maximum Radial stiffness Nose end Drive end<strong>and</strong> seal thrust R.P.M. at noseconstruction (lbs.) (lbs./in.) Bearing Seal Bearing SealnumberCE - ER32 Collet shaftTool dia.1/16 to 9/16 4 in.Over 9/16 to 3/4 2 in.ST - Straight bore shaftX1L 46 5,300 180,000 30 mm I.D. 25mm I.D.X1M 139 5,300 200,000 duplex Contact duplex LabyrinthX1H 289 5,300 210,000 ball ballX2L 46 17,500 180,000 30 mm I.D. 25mm I.D.X2M 139 15,600 200,000 duplex Labyrinth duplex LabyrinthX2H 289 10,400 210,000 ball ballX2CL 34 27,200 180,000 30 mm I.D. 25mm I.D.X2CM 70 23,800 200,000 duplex Labyrinth duplex LabyrinthceramicceramicballballContinued on next pageMax tooldepth10 ©2011 <strong>Gilman</strong> <strong>USA</strong>, LLC
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