Technical data

36 parameters

Identification

Manufacturer
FAG
Type
Cylindrical roller bearing
Part number (SKU)
NNU4952-S-K-M-SP#N1
EAN
4012801335751
Cage
M
Tolerance class
SP

Dimensions

Bore d
260 mm
Outside diameter D
360 mm
Width B
100 mm
Mass
40.00 kg
Radial clearance
C1 (Group 1)

Load ratings and operation

Dynamic load rating C
750000 N
Static load rating C₀
1690000 N
Full manufacturer specification23 parameters · expand
Axial displacement
5.4 mm
Bore design
K
Cage
M
Diameter of housing shoulder
334.0 mm
Diameter of housing shoulder tolerance
H12
Diameter shaft shoulder tolerance
h12
Fatigue load limit, radial
190000.0 N
Inner ring raceway diameter
292.0 mm
Limiting speed for grease lubrication
2070.0 1/min
Limiting speed for oil lubrication
2430.0 1/min
Lubricating groove width
15.0 mm
Lubrication hole diameter
8.0 mm
Max. operating temperature
150.0 °C
Maximum recess radius
2.1 mm
Min. operating temperature
-30.0 °C
Minimum chamfer
2.1 mm
Number of rows
2
Outer ring type
S
PFAS
no
Radial internal clearance
C1 (Group 1)
REACH
REACH compliant with declarable lead proportion
RoHS
RoHS compliant with declarable substances
Shaft shoulder diameter
289.4 mm

Classification

Manufacturer category
Rolling and Plain Bearings › Super Precision Bearings › Radial Super Precision Bearings › Cylindrical Roller Bearings For Main Spindles
eCl@ss class
23-05-09-01
UNSPSC
31171505

Description

Super precision cylindrical roller bearings NNU49..-S-K-M-SP, non-locating bearing, double row, with tapered bore, taper 1:12, separable, with cage

The same bearing from other manufacturers (1 designations)

Same size and design — suffix notation differs between brands.

Comparison and details →

FAG

NNU4952-S-K-M-SP

original — this page

equivalent designation

SKF

NNU4952BK/SPW33

This is a dimensional and design equivalent, not the same product. If in doubt, ask us before ordering.

FAG

NNU4952-S-K-M-SP

Cylindrical roller bearing

⌀260 × 360 × 100 mm

od EUR 4,861.28net

+ VAT 23% = EUR 5,979.37 gross

Temporarily out of stocktemporarily out of stock

This item is brought in to order (about 10 working days) and we sell it to business customers. Open a business account.

NNU4952-S-K-M-SP—
EUR 4,861.28

Cheaper in larger quantities

from 5 pcsEUR 4,666.83−4%
from 10 pcsEUR 4,618.21−5%
from 25 pcsEUR 4,520.99−7%
from 50 pcsEUR 4,423.76−9%

Our own item, temporarily out of stock — write to us for a date.

Shipping within the EU: DHL, GLS, from EUR 13.18 net. Transit time 3–5 business days after dispatch. Shipping and returns →

Symbol (SKU)NNU4952-S-K-M-SP#N1
EAN4012801335751
Wymiary⌀260 × 360 × 100 mm
Masa40.00 kg

Buying for a company?

Open a business account →

Documentation

Datasheet (PDF)RoHS / REACH compliance declaration (PDF)

Opening a document for the first time can take up to a minute while the manufacturer prepares it.

Need fitting, lubrication or a vibration check?