NNCF 5064 CV-Cylindrical roller bearing-FGFA bearings

NNCF 5064 CV Double row full complement cylindrical roller bearing, NNCF design

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	320 mm	Bore diameter
D	480 mm	Outside diameter
B	218 mm	Width
d₁	≈370 mm	Shoulder diameter inner ring
D₁	≈434 mm	Shoulder diameter outer ring
K	5 mm	Diameter lubrication hole (outer ring)
s	max.9 mm	Permissible axial displacement from the normal position of one bearing ring relative to the other
r_1,2	min.4 mm	Chamfer dimension (open bearings)
r_3,4	min.4 mm	Chamfer dimension

Abutment dimensions

d_a	min.339 mm	Abutment diameter shaft
d_as	360 mm	Abutment diameter shaft
D_a	max.462 mm	Abutment diameter housing
r_a	max.3 mm	Fillet radius
r_b	max.3 mm	Fillet radius

Calculation data

Basic dynamic load rating	C	3 690 kN
Basic static load rating	C₀	6 950 kN
Fatigue load limit	P_u	620 kN
Reference speed		560 r/min
Limiting speed		700 r/min
Minimum load factor	k_r	0.5

Tolerances: Normal
Axial internal clearance

Basic Parameters

Bearing Inner Diameter：320 mm
Bearing Outer Diameter：480 mm
Bearing Thickness：218 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.