6304-2Z-L138-CM

Deep groove ball bearing

Deep groove ball bearing 63..-2Z, single row, shields, steel sheet metal cage

Display units

Metric

Imperial

Main Dimensions & Performance Data

d	20 mm	Bore diameter
D	52 mm	Outside diameter
B	15 mm	Width
C_r	16,900 N	Basic dynamic load rating, radial
C_0r	7,900 N	Basic static load rating, radial
C_ur	540 N	Fatigue load limit, radial
n_G	16,800 1/min	Limiting speed
n_ϑr	14,400 1/min	Reference speed
≈m	0.155 kg	Weight

Mounting dimensions

d_{a min}	27 mm	Minimum diameter shaft shoulder
D_{a max}	45 mm	Maximum diameter of housing shoulder
r_{a max}	1 mm	Maximum fillet radius

Dimensions

r_min	1.1 mm	Minimum chamfer dimension
D₂	44.4 mm	Caliber diameter outer ring
d₁	30.3 mm	Shoulder diameter inner ring

Temperature range

T_min	-30 °C	Operating temperature min.
T_max	120 °C	Operating temperature max.

Calculation factors

f₀

12.4

Calculation factor

Downloads:

Your current product variant

Sealing	2Z	Non-contact shield on both sides
Cage	JN	steel sheet metal
Tolerance class	PN	Normal (PN)
Dimensional / heat stabilization	SN	Rings dimensional stabilized up to 120°
Lubricant	L138	Grease (L138/customer specific)
Fill factor	Standard
Radial internal clearance	CM	Group M (CM) – radial internal clearance limited for electric motors
Bore type	Z	Cylindrical

Characteristics

Title