NTN

Spherical roller bearings 230/530B

Name: Spherical roller bearings 230/530B NTN
Brand: NTN
SKU: 230/530B
Availability: InStock

Bearing NTN 230/530B, Ø530×780×185 mm. Request a quote — worldwide shipping.

Code: 230/530B

Dimensions Ø 530 × 780 × 185 mm

d530Bore Ø (mm)

D780Outer Ø (mm)

B185Width (mm)

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In stock

Technical specifications

Brand	NTN
d - Internal diameter	530 mm
D - External diameter	780 mm
B - Bearing/Inner ring width	185 mm
d2 - External diameter inner ring	0 mm
D1 - Inner diameter outer ring	704 mm
rs - Min fillet radius	6 mm
Number of lubrication holes	8
b - Groove width	27 mm
k - Hole diameter	16 mm
Radial clearance class	CN
Mass	306 kg
C - Dynamic load	4850000000 mN
C0 - Static load	9350000000 mN
Cu - Fatigue limit load	710000000 mN
e - Coefficient	0.22
Y0 - Static axial load coefficient	2.97
Y1 - Lower axial load coefficient	3.03
Y2 - Upper axial load coefficient	4.52
N lim - Oil lubrication limit speed	2940 °/s
N lim - Grease lubrication limit speed	2280 °/s
Tmin - Min operating temperature	233,15 °K
Tmax - Max operating temperature	393,15 °K
da min - Min shoulder diameter IR	558 mm
Da max - Max shoulder diameter OR	752 mm
ra max - Max shaft & housing fillet radius	5 mm