NN3052-AS-K-M-SP

Cylindrical roller bearing

Super precision cylindrical roller bearings NN30..-AS-K-M-SP, non-locating bearing, double row, with tapered bore, taper 1:12, separable, with cage

Display units

Metric

Imperial

Main Dimensions & Performance Data

d	260 mm	Bore diameter
D	400 mm	Outside diameter
B	104 mm	Width
C_r	1,070,000 N	Basic dynamic load rating, radial
C_0r	2,010,000 N	Basic static load rating, radial
C_ur	223,000 N	Fatigue load limit, radial
n_{G Grease}	1,930 1/min	Limiting speed for grease lubrication
n_{G Oil}	2,280 1/min	Limiting speed for oil lubrication
≈m	46.2 kg	Weight

Mounting dimensions

d_a	300 mm	diameter shaft shoulder
	h12	diameter shaft shoulder tolerance
D_a	372 mm	diameter of housing shoulder
	H12	diameter of housing shoulder tolerance
r_{a1 max}	3 mm	Maximum recess radius

Dimensions

Temperature range

T_min	-30 °C	Operating temperature min.
T_max	150 °C	Operating temperature max.

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Your current product variant

Cage	M	Brass Cage
Tolerance class	SP	tolerance class SP
Bore type	K	Tapered, taper 1:12
Change mark	A	Internal Variant A
Radial internal clearance	C1	Group 1 (C1)
Number of rolling element rows	2	Double-row design

Characteristics

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