BC1B 322770 A/HB1-Cylindrical roller bearing-FGFA bearings

BC1B 322770 A/HB1 Single row cylindrical roller bearing

Cylindrical roller bearings feature cylindrical rollers as rolling elements and are classified as separable bearings. The rollers and raceways engage in line contact, enabling high load-carrying capacity. Primarily designed to accommodate radial loads, these bearings exhibit minimal friction between the rolling elements and the flange of the bearing ring, making them suitable for high-speed rotation. They offer exceptional load-carrying capability and maximum rotational speeds.

Dimensions

d	380 mm	Bore diameter
D	480 mm	Outside diameter
B	40 mm	Width
d₁	≈418 mm	Shoulder diameter of inner ring
D₁	≈444 mm	Shoulder diameter of outer ring
E	451 mm	Raceway diameter of outer ring
r_1,2	min.2.1 mm	Chamfer dimension
s	max.2 mm	Permissible axial displacement

Abutment dimensions

d_a	min.392 mm	Diameter of spacer sleeve
D_a	max.468 mm	Diameter of housing abutment
D_b	min.456 mm	Diameter of housing abutment
r_a	max.2 mm	Radius of fillet

Calculation data

Basic dynamic load rating	C	270 kN
Basic static load rating	C₀	520 kN
Fatigue load limit	P_u	42.5 kN
Reference speed		1 100 r/min
Limiting speed		1 300 r/min
Minimum load factor	k_r	0.03
Limiting value	e	0.2
Calculation factor	Y	0.6

Basic Parameters

Bearing Inner Diameter：380 mm
Bearing Outer Diameter：480 mm
Bearing Thickness：40 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.