日本Kitagawa北川卡盘B-215  日本Kitagawa北川卡盘B-215 Kitagawa B-215 Open Centre Power Chuck Product code: B-215   381 mm three jaw power chuck with 100mm through hole and max speed of 2800rpm. Griping Range (mm):  381 max, 50 min Jaw Stroke (diameter mm): 10.6 Max Gripping Force (kN): 249 Lubrication nipple on each master jaw Master Jaw Serration: 1.5mm x 60° Kitagawa's leading power chuck can be used with both hard and soft jaws.   Chucks are manufactured from high grade alloy steel. Three jaw wedge style power chucks deliver up to 20% more speed, gripping force and bore size when compared to conventional chucks. Through-hole (mm): 100 Gripping range (mm): 381 max, 50 min Jaw Stroke (diameter mm): 10.6 Plunger Stroke (mm): 23 Max. Draw Bar Pull Force: 98kN, 9993 kgf Max. Gripping Force: 249 kN, 25391 kgf Max Speed: 2800rpm Weight (with soft jaws) 116kg Moment of inertia: 2.20 kg.m2 Matching cylinder F2511H Max pressure: 3.3 MPa, 33.7 cm2 Matching hard top jaw: HB15N1 Matching soft top jaw: SB15N1