NNF 5040 ADA-2LSV-Cylindrical roller bearing-FGFA bearings

NNF 5040 ADA-2LSV Double row full complement cylindrical roller bearing, NNF design, with integral sealing and relubrication feature

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	200 mm	Bore diameter
D	310 mm	Outside diameter
B	150 mm	Width
C	149 mm	Outer ring width (sealed bearing)
d₁	≈245 mm	Shoulder diameter inner ring
D₃	304 mm	Snap ring groove diameter at outer ring
E	284 mm	Raceway diameter outer ring
C₁	128.2 mm	Distance between two snap ring grooves of the outer ring outside surface
	+0.2 mm	Tolerance for distance C₁
C₂	10.4 mm	Distance outer ring side face - snap ring groove (sealed bearing)
b	6.3 mm	Width snap ring groove outer ring
b₁	8 mm	Width annular lubrication groove outer ring
K	4 mm	Diameter lubrication hole (outer ring)
r	min.2 mm	Chamfer dimension (sealed bearing)
r_3,4	min.0.6 mm	Chamfer dimension

Abutment dimensions

d_a	min.207 mm	Abutment diameter shaft
d_as	239 mm	Abutment diameter shaft
C_a1	120 mm	Abutment width applying for SW snap rings (sealed brg.)
	–0.2 mm	Tolerance for abutment C_a (SW snap rings)
C_a2	116 mm	Abutment width applying for DIN 471 snap rings (sealed brg.)
	–0.2 mm	Tolerance for abutment C_a (DIN 471 snap rings)
r_a	max.2 mm	Fillet radius

Calculation data

Basic dynamic load rating	C	1 450 kN
Basic static load rating	C₀	2 900 kN
Fatigue load limit	P_u	300 kN
Limiting speed		400 r/min
Minimum load factor	k_r	0.4

Associated products

Snap ring Seeger	SW 310
Snap ring in accordance with DIN 471	310x6

Tolerances: Normal
Axial internal clearance

Basic Parameters

Bearing Inner Diameter：200 mm
Bearing Outer Diameter：310 mm
Bearing Thickness：150 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.