TECHNICAL INFORMATION
YI.30.1800F DRAWING AND SPECIFICATION
YI.30.1800F SPECIFICATION
Slewing Bearing: YI.30.1800F
Inner diameter (Di) :1524
Outer diameter (Da) :1981
Overall height (H) : 147
Outer ring height (H2):-
Inner ring height (H1):-
Weight: 1124 KG
External bolt circle dia (La) :1915
Number of bolt holes per hole circle (na) :36
External bolt hole type : Selected by user
External bolt hole diameter(B) :33
Internal bolt circle dia(Li):1675
Number of bolt holes per hole circle(ni):36
Internal bolt hole type : Selected by user
Internal bolt hole diameter (B) :33
Tooth number(z) :128
Module of gear(m) :12
Tooth width (b) :108
YI.30.1800F DRAWING
YI.30.1800F drawing is reference for user, if you request for YI.30.1800F formal drawing , please contact with us: sales@jcb-bearing.com, the YI.30.1800F 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.








































