KDN.JB055XP0-Thin-walled bearing-FGFA bearings

KDN.JB055XP0 Reali-Slim thin section four-point contact ball bearing with seals or shields

Thin-walled bearings are compact transmission components featuring an exceptionally slim cross-section. Their core advantages lie in lightweight construction and minimal space requirements, enabling stable transmission within confined installation areas. With their compact structure and flexible rotation, they are well-suited for high-speed applications and are widely utilised in robotics, medical equipment, and aerospace machinery.

Dimensions

d	139.7 mm	Bore diameter
D	155.575 mm	Outside diameter
H	7.938 mm	Radial cross section
B	7.938 mm	Width
d₁	≈145.58 mm	Shoulder diameter inner ring
d₂	≈144.755 mm	Recess diameter inner ring
D₁	≈149.695 mm	Shoulder diameter outer ring
D₂	≈150.495 mm	Recess diameter outer ring
	3.969 mm	Ball diameter
	1.016 mm	Maximum radius of shaft or housing fillet

Calculation data

Dynamic load rating, Kaydon, radial direction	C_K	5.8 kN
Basic static load rating, radial direction	C₀	10.5 kN
Basic static load rating, axial direction	C_0a	26.2 kN
Basic dynamic load rating, moment	C_M	0.321 kN·m
Basic static load rating, moment	C_0M	0.774 kN·m
Starting torque max. no load		0.31 N·m
Limiting speed		450 r/min

Basic Parameters

Bearing Inner Diameter：139.7 mm
Bearing Outer Diameter：155.575 mm
Bearing Thickness：7.938 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.