INA ZARN2557TN Bearing

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ZARN2557TN

Bore Diameter:25 mm

Outside Diameter:57 mm

Width:50 mm

The ZARN2557TN bearing is a Cylindrical roller bearing with an inner diameter of 25 mm , an outer diameter of 57 mm, a width of 50 mm. It typically uses P0 、P6、P5、P4、P2 grade precision tolerances and TV type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

25 mm

Outside Diameter:

57 mm

Thickness:

50 mm

Specifications:

Structure:

Cylindrical roller bearing

Brand:

INA

Precision Rating:

P0 、P6、P5、P4、P2

Bearing Material:

bearing steel

Seals Type:

Transaction Information:

Payment term:

Delivery time:

7 days

Detailed description

Needle roller/axial cylindrical roller bearings ZARN2557-TV

double direction

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.

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INA ZARN2557TN Bearing

Needle roller/axial cylindrical roller bearings ZARN2557-TV

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