C 2211 KTN9-CARB Circular roller bearing-FGFA bearings

C 2211 KTN9 CARB toroidal roller bearing with tapered bore (1:12)

CARB spherical roller bearings are components that combine self-aligning capabilities with load-bearing advantages. They automatically compensate for misalignment between shafts and bearing housings while reliably sustaining radial loads and bidirectional axial forces. Characterised by high rigidity and superior impact resistance, they are well-suited for medium-to-high-speed applications. Featuring low friction coefficients and smooth operation, they also offer straightforward maintenance.

Bore type

Tapered 1:12

Dimensions

d	55 mm	Bore diameter
D	100 mm	Outside diameter
B	25 mm	Width
d₂	≈65.8 mm	Shoulder diameter of inner ring
D₁	≈86.7 mm	Shoulder or recess diameter of outer ring
s₁	max.8.6 mm	Permissible axial displacement
r_1,2	min.1.5 mm	Chamfer dimension

Abutment dimensions

D_a	min.83.1 mm	Diameter of housing abutment
D_a	max.91 mm	Abutment diameter housing
C_a	min.0.3 mm	Minimum width of space required in housing
r_a	max.1.5 mm	Radius of fillet
A negative value for C_a is theoretical.

Calculation data

FGFA performance class		FGFA Explorer
Basic dynamic load rating	C	116 kN
Basic static load rating	C₀	114 kN
Fatigue load limit	P_u	13.4 kN
Reference speed		6 300 r/min
Limiting speed		9 000 r/min
Misalignment factor	k₁	0.094
Internal clearance factor	k₂	0.133

Basic Parameters

Bearing Inner Diameter：55 mm
Bearing Outer Diameter：100 mm
Bearing Thickness：25 mm

Wafangdian Fafuge Bearing Co., Ltd., rooted in Wafangdian Bearing Industry Base, is an emerging professional bearing manufacturer. Drawing on the base’s profound industrial heritage, we have upheld craftsmanship since inception, integrated precision manufacturing into R&D and production, and focused on the R&D and refined production of spherical roller bearings.