7209 BE-2RZP_Angular Contact Ball Bearings_Ball bearing_Product

Angular Contact Ball Bearings

7209 BE-2RZP Angular Contact Ball Bearings

These single row angular contact ball bearings, with 40° contact angle and non-contact seals on both sides, accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They have a ball-centred glass-fibre reinforced PA66 cage. They are more suitable than deep groove ball bearings for supporting large axial forces acting in one direction.

40° contact angle
Integral sealing prolongs bearing service life
Glass-fibre reinforced PA66 cage
Accommodate relatively high radial loads and large unilateral axial loads

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d	45 mm	Bore diameter
D	85 mm	Outside diameter
B	19 mm	Width
d₁	≈ 60.85 mm	Shoulder diameter of inner ring (large side face)
d₂	≈ 52.68 mm	Shoulder diameter of inner ring (small side face)
D₂	≈ 71.8 mm	Recess diameter of outer ring (large side face)
D₅	≈ 79.9 mm	Recess diameter of outer ring (small side face)
a	37 mm	Distance side face to pressure point
r_1,2	min. 1.1 mm	Chamfer dimension
r_3,4	min. 0.6 mm	Chamfer dimension

45 mm

Bore diameter

85 mm

Outside diameter

19 mm

Width

d₁

≈ 60.85 mm

Shoulder diameter of inner ring (large side face)

d₂

≈ 52.68 mm

Shoulder diameter of inner ring (small side face)

D₂

≈ 71.8 mm

Recess diameter of outer ring (large side face)

D₅

≈ 79.9 mm

Recess diameter of outer ring (small side face)

37 mm

Distance side face to pressure point

r_1,2

min. 1.1 mm

Chamfer dimension

r_3,4

min. 0.6 mm

Chamfer dimension

d_a	min. 52 mm	Diameter of shaft abutment
d_a	max. 60 mm	Diameter of shaft abutment
D_a	max. 78 mm	Abutment diameter housing
D_b	max. 80.8 mm	Diameter of housing abutment
r_a	max. 1 mm	Radius of fillet
r_b	max. 0.6 mm	Radius of fillet

d_a

min. 52 mm

Diameter of shaft abutment

d_a

max. 60 mm

Diameter of shaft abutment

D_a

max. 78 mm

Abutment diameter housing

D_b

max. 80.8 mm

Diameter of housing abutment

r_a

max. 1 mm

Radius of fillet

r_b

max. 0.6 mm

Radius of fillet

Basic dynamic load rating	C	35.8 kN
Basic static load rating	C₀	26 kN
Fatigue load limit	P_u	1.12 kN
Reference speed		9 500 r/min
Limiting speed		7 500 r/min
Minimum axial load factor	A	0.012
Minimum radial load factor	k_r	0.095
Limiting value	e	1.14

Basic dynamic load rating

35.8 kN

Basic static load rating

C₀

26 kN

Fatigue load limit

P_u

1.12 kN

Reference speed

9 500 r/min

Limiting speed

7 500 r/min

Minimum axial load factor

0.012

Minimum radial load factor

k_r

0.095

Limiting value

1.14

Single bearing or bearing pair arranged in tandem
Calculation factor (single, tandem)	X	0.35
Calculation factor (single, tandem)	Y₀	0.26
Calculation factor (single, tandem)	Y₂	0.57

Single bearing or bearing pair arranged in tandem

Calculation factor (single, tandem)

0.35

Calculation factor (single, tandem)

Y₀

0.26

Calculation factor (single, tandem)

Y₂

0.57

Bearing pair arranged back-to-back or face-to-face
Calculation factor (back-to-back, face-to-face)	X	0.57
Calculation factor (back-to-back, face-to-face)	Y₀	0.52
Calculation factor (back-to-back, face-to-face)	Y₁	0.55
Calculation factor (back-to-back, face-to-face)	Y₂	0.93

Bearing pair arranged back-to-back or face-to-face

Calculation factor (back-to-back, face-to-face)

0.57

Calculation factor (back-to-back, face-to-face)

Y₀

0.52

Calculation factor (back-to-back, face-to-face)

Y₁

0.55

Calculation factor (back-to-back, face-to-face)

Y₂

0.93

Ball Bearing

Roller bearing

Thin-walled bearing

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Angular Contact Ball Bearings

7209 BE-2RZP Angular Contact Ball Bearings

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7209 BE-2RZP

Dimensions

Abutment dimensions

Calculation data

Tolerances and clearances