ZARN2557-TV Bearing

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Min. Order:

1 Piece

Technical Parameters:

Product Designations:

ZARN2557-TV

Structure:

Needle roller/axial cylindrical roller bearings

Inside Diameter:

25 mm

Outside Diameter:

57 mm

Thickness:

50 mm

Bearing Material:

bearing steel, GCR15

Bearing Type: ZARN2557-TV

Origin: Germany

Dimension: 25*57*50MM

Weight: 0.53KG

Steel material: bearing steel, Gcr15

Drawing of ZARN2557-TV,

25 mm

57 mm

50 mm

10 mm

20 mm

D₁

47 mm

D_{a max}

48 mm

Mounting dimensions
If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration.

d_{a min}

39 mm

Mounting dimensions
If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration.

H₁

35 mm

r_{1 min}

0,6 mm

r_min

0,3 mm

0,53 kg

Mass

C_a

35500 N

Basic dynamic load rating, axial

C_0a

86000 N

Basic static load rating, axial

C_r

22600 N

Basic dynamic load rating, radial

C_0r

36000 N

Basic static load rating, radial

n_{G Öl}

6000 1/min

Limiting speed for oil lubrication (valid only with adequate oil cooling)

n_{G Fett}

1900 1/min

Limiting speed for grease lubrication

M_RL

0,55 Nm

Bearing frictional torque

c_aL

1900 N/µm

Axial rigidity

c_kL

350 Nm/mrad

Tilting rigidity

M_m

0,99 kg x cm^2

Mass moment of inertia for rotating inner ring

1 µm

Axial runout
The axial runout data for screw drive bearing arrangements are based on the rotating inner ring.

ZMA25/45, AM25

Designation of recommended INA locknut

M_A

25 Nm

Tightening torque
Only valid in conjunction with INA precision locknuts

10470 N

Axial preload force

Locknuts not included in delivery.

For these series, we have large stocks with short delivey, any demands? Contact me anytime.

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