NTN

Spherical roller bearings 239/630

Name: Spherical roller bearings 239/630 NTN
Brand: NTN
SKU: 239/630
Availability: InStock

Bearing NTN 239/630, Ø630×850×165 mm. Request a quote — worldwide shipping.

Code: 239/630

Dimensions Ø 630 × 850 × 165 mm

d630Bore Ø (mm)

D850Outer Ø (mm)

B165Width (mm)

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In stock

Technical specifications

Brand	NTN
d - Internal diameter	630 mm
D - External diameter	850 mm
B - Bearing/Inner ring width	165 mm
d2 - External diameter inner ring	690 mm
D1 - Inner diameter outer ring	781 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	277 kg
C - Dynamic load	4100000000 mN
C0 - Static load	9250000000 mN
Cu - Fatigue limit load	545000000 mN
e - Coefficient	0.18
Y0 - Static axial load coefficient	3.58
Y1 - Lower axial load coefficient	3.66
Y2 - Upper axial load coefficient	5.46
N lim - Oil lubrication limit speed	2520 °/s
N lim - Grease lubrication limit speed	1920 °/s
Tmin - Min operating temperature	233,15 °K
Tmax - Max operating temperature	393,15 °K
da min - Min shoulder diameter IR	658 mm
Da max - Max shoulder diameter OR	822 mm
ra max - Max shaft & housing fillet radius	5 mm