7252-B-MP

Angular contact ball bearing

Angular contact ball bearing 72..-B-MP, single row, solid brass cage

Display units

Metric

Imperial

Main Dimensions & Performance Data

d	260 mm	Bore diameter
D	480 mm	Outside diameter
B	80 mm	Width
C_r	485,000 N	Basic dynamic load rating, radial
C_0r	820,000 N	Basic static load rating, radial
C_ur	22,300 N	Fatigue load limit, radial
n_G	2,030 1/min	Limiting speed
n_ϑr	1,460 1/min	Reference speed
≈m	64.4 kg	Weight

Mounting dimensions

d_{a min}	280 mm	Minimum diameter of shaft shoulder
D_{a max}	460 mm	Maximum diameter of housing shoulder
D_{b max}	469 mm	Maximum diameter of housing shoulder
r_{a max}	4 mm	Maximum fillet radius of shaft
r_{a1 max}	2 mm	Maximum fillet radius of housing

Dimensions

r_min	5 mm	Minimum chamfer dimension
r_{1 min}	2 mm	Minimum chamfer dimension
D₁	393 mm	Shoulder diameter on outer ring wide side face
d₁	348 mm	Shoulder diameter on inner ring wide side face
a	195 mm	Distance between the apexes of the pressure cones
α	40 °	Contact angle

Temperature range

T_min	-30 °C	Operating temperature min.
T_max	200 °C	Operating temperature max.

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Your current product variant

Design variant	B	Design variant B
Sealing	Without	not sealed
Cage	MP	solid brass cage, ball guided
Tolerance class	PN	Normal (PN)
Lubricant	Without	Bearing not greased
Dimensional / heat stabilization	S1	Rings dimensional stabilized up to 200°

Characteristics

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