TECHNICAL INFORMATION
9I-1B20-0644-0135 DRAWING AND SPECIFICATION
9I-1B20-0644-0135 SPECIFICATION
Slewing Bearing: 9I-1B20-0644-0135
Inner diameter (d) :546
Outer diameter (D) :716
Overall height (T) :69
Outer ring height (H1):46
Inner ring height (H2):60
Weight: 55 KG
External bolt circle dia (J1) : 690
Number of bolt holes per hole circle (n1) :40
External bolt hole type : Selected by user
External bolt hole diameter(N1) :13.5
Internal bolt circle dia(J2): 605
Number of bolt holes per hole circle(n2): 40
Internal bolt hole type : Selected by user
Internal bolt hole diameter (N2) :M12×1.25
Tooth number :93
Module of gear :6
Tooth width (B) : 60
9I-1B20-0644-0135 DRAWING
9I-1B20-0644-0135 drawing is reference for user, if you request for 9I-1B20-0644-0135 formal drawing , please contact with us: sales@jcb-bearing.com, the 9I-1B20-0644-0135 official drawing will be submitted to user.
RAW MATERIAL
- For slewing bearing ring , usually the raw material is alloy steel, such as 50Mn, C45E, 42CrMo (DIN 42CrMo4, AISI 4142), and some special non-ferrous metals, such as aluminum, stainless steel and so on, it should be selected according to user’s application if user have special request.
- For slewing bearing cage, 1). steel 2). Nylon 66 or 1010 (Polyamide66) 3). Polyetheretherketone 4. Brass 5. Other cage materials.
- For spacer, raw material should be Nylon 66 (Polyamide66) or Nylon 1010. it should be selected according to user’s application if user have special request.
- For seal, raw material is oil resistant rubber I-3, or other special raw material for seal.
- Rolling element (ball or roller), high chrome alloy bearing steel,GCr15 and GCr15SiMn, or stainless steel.








































