313-ZNRDeep groove ball bearing with filling slots and integral sealing

SKU: 313-ZNRDeep groove ball bearing with filling slots and integral sealing

Single row deep groove ball bearings with filling slots, a snap ring, and shields on one or both sides, accommodate more balls than standard deep groove ball bearings. They are of a simple, yet versatile, design and are robust in operation, requiring little maintenance. They can accommodate radial and axial loads in both directions. They have a higher radial load carrying capacity than the corresponding bearings without filling slots but have a limited axial load carrying capacity due to the filling slots. The snap ring, fitted in an annular groove in the outer ring, facilitates axial location of the bearings within their housings. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out.

ID:106559

Dimensions - 313-ZNR

Dimensions

d
65 mm
Bore diameter
D
140 mm
Outside diameter
B
33 mm
Width
d1
88.35 mm
Shoulder diameter
D2
121.3 mm
Recess diameter
D3
135.23 mm
Diameter of snap ring groove
D4
149.7 mm
Outside diameter of snap ring
b
3.1 mm
Width of snap ring groove
C
4.9 mm
Distance from outer ring side face to snap ring groove
f
2.82 mm
Width of snap ring
r0
max. 0.6 mm
Bottom radius of snap ring groove
r1,2
min. 2.1 mm
Chamfer dimension

Abutment dimensions - 313-ZNR

Abutment dimensions

da
min. 77 mm
Diameter of shaft abutment
da
max. 88.2 mm
Diameter of shaft abutment
Da
max. 128 mm
Diameter of housing abutment
Db
min. 151 mm
Diameter of snap ring recess in the housing
ba
min. 3.5 mm
Width of snap ring recess in the housing
Ca
max. 7.72 mm
Distance from outer ring side face to snap ring back face
ra
max. 2 mm
Radius of shaft or housing fillet

Calculation data

Basic dynamic load rating C
102 kN
Basic static load rating C0
90 kN
Fatigue load limit Pu
3.75 kN
Reference speed
9 000 r/min
Limiting speed
5 300 r/min
Minimum load factor kr
0.05

Mass

Mass bearing
2.3 kg

Included products

Snap ring
SP 140

Tolerance class

Dimensional tolerances
Normal
Radial run-out
Normal

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