NN30/1700-AS-M-SP Bore 1700 Mm, Super-precision Cylindrical Roller Bearing, With Brass Cage

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NN30/1700-AS-M-SP

Bore Diameter:1700 mm

Outside Diameter:2360 mm

Width:500 mm

Weight:6540 kg

Min. Order:1 Piece

The NN30/1700-AS-M-SP Ultra-precision cylindrical roller bearings are widely used in fields with stringent requirements for radial stiffness and rotational accuracy, such as: machine tool spindles (radial support for lathe and grinding machine spindles), high-speed electric spindles, rolling mills (precision rolls), industrial robot joints, precision measuring equipment, and high-precision rotating mechanisms in aerospace.

The NN30/1700-AS-M-SP bearing is a Cylindrical roller bearing, double row, separable, with cage with an inner diameter of 1700 mm , an outer diameter of 2360 mm, a width of 500 mm. It typically uses SP = Super Precision grade precision tolerances and bearing steel rings, bearing steel rolling mlement. Its dynamic radial rated load is approximately 23199805 N, its static radial rated load is approximately 63999902 N. It uses C1 standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

1700 mm

Outside Diameter:

2360 mm

Thickness:

500 mm

Weight:

6540 KG

Performance Data:

Dynamic load Capacity, Radial (Cr):

23199805 N

Static load Capacity, Radial (Cor):

63999902 N

Fatigue Load Limit, Radial:

3849869 N

Reference speed (Grease rpm):

264

Limiting speed (Oil rpm):

320

Specifications:

Old Designations:

NN30/1700AS.M.SP

Structure:

Cylindrical roller bearings

Number of Rows:

Double row

Radial Clearance Trade No.:

Precision Rating:

SP = Super Precision

Bearing Material:

bearing steel

Cage Type:

M = Brass cage, guided by rollers

Rolling Mlement Material:

bearing steel

Bore Type:

K = Cylindrical Bore

Operating Temperature:

-30 to +150 °C

Series:

NN30..-AS-M-SP

Rolling Element:

cylindrical rollers

Transaction Information:

Transport Package:

Standard Export Package

Service:

7*24 hour

Shipping Ways:

by Sea or Air

Country of Origin:

china

Stock:

200 Piece

Port:

Tianjin, Shanghai, Shenzhen, Guangzhou or Qingdao

Payment term:

by T/T in advance

Delivery time:

2-3 days for stock, 25-30 days for bulk production

Detailed description

NN30/1700-AS-M-SP bearings ( 1700 mm x 2360 mm x 500 mm) have the advantages of Extremely high rotational accuracy and rigidity, high rotational speed and low heat generation, suitable for high-speed and high-positioning-precision applications, and are therefore widely used in the Machine tool spindles, high-speed motors, precision rolling mills, industrial robots, and aerospace equipment.

Part Number	NN30/1700-AS-M-SP
Reference From	FAG NN30/1700-AS-M-SP
Series	NN30..-AS-M-SP
Bearing Type	Cylindrical roller bearing, double row, separable, with cage (Non-locating bearings)
Design Type	NN = ribs on inner ring, outer ring without ribs
Dimension series	30 (Medium series)
Bore Type	K = Cylindrical Bore
Cage	M = Brass cage, guided by rollers
Rows NO.	Double row
Radial internal clearance	C1
Accuracy class	SP = Super Precision
External form	AS = Lubricating groove and holes on the outer ring
Weight [lb]	14418.084
C_r Radial Dynamic [lbf]	5215316
C_0r Radial static [lbf]	14387177
C_ur Radial Fatigue [lbf]	865450
n_B Reference speed [rpm]	264
n_G Limiting speed [rpm]	320
d φ Inside [inch]	66.929
D Φ Outside [inch]	92.913
B Width [inch]	19.685
r(min.) [inch]	0.591
s [inch]	0.669
E [inch]	86.023
d₁ [inch]	76.378
d_s [inch]	0.787
n_s [inch]	1.614
Mounting dimensions
d_a(h12) [inch]	68.898
D_a(H12) [inch]	90.945
D_b(min.) [inch]	86.260
r_a(max.) [inch]	0.472

The NN30/1700-AS-M-SP Ultra-precision cylindrical roller bearings are primarily composed of high-precision inner and outer rings (made of precision-ground bearing steel), cylindrical rollers (graded to P4 or higher precision), and a cage (solid brass or outer ring guided type). Common structures include the N10 series (double-flange outer ring, no flange inner ring) and the NN30 series (double-row structure), with the rollers and raceways employing a logarithmic curve profile design.

Ultra-precision cylindrical roller bearings exhibit extremely high radial stiffness, making them suitable for precision spindles requiring heavy loads and high rigidity. They offer high limiting speeds, and optimized roller end face and flange contact reduce friction and heat generation. Precision grades can reach P4 to P2, providing smooth rotation and low vibration. They can be used as floating end bearings to compensate for thermal expansion and maintain high positioning accuracy.

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NN30/1700-AS-M-SP Bore 1700 Mm, Super-precision Cylindrical Roller Bearing, With Brass Cage

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