Technical data

36 parameters

Identification

Manufacturer
FAG
Type
Cylindrical roller bearing
Part number (SKU)
NNU4940-S-K-M-SP#N1
EAN
4012801232074
Cage
M
Tolerance class
SP

Dimensions

Bore d
200 mm
Outside diameter D
280 mm
Width B
80 mm
Mass
14.78 kg
Radial clearance
C1 (Group 1)

Load ratings and operation

Dynamic load rating C
490000 N
Static load rating C₀
1040000 N
Full manufacturer specification23 parameters · expand
Axial displacement
4.3 mm
Bore design
K
Cage
M
Diameter of housing shoulder
259.0 mm
Diameter of housing shoulder tolerance
H12
Diameter shaft shoulder tolerance
h12
Fatigue load limit, radial
125000.0 N
Inner ring raceway diameter
225.0 mm
Limiting speed for grease lubrication
2700.0 1/min
Limiting speed for oil lubrication
3200.0 1/min
Lubricating groove width
12.2 mm
Lubrication hole diameter
6.3 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
223.0 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

NNU4940-S-K-M-SP

original — this page

equivalent designation

SKF

NNU4940BK/SPW33

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

FAG

NNU4940-S-K-M-SP

Cylindrical roller bearing

⌀200 × 280 × 80 mm

od EUR 1,903.41net

+ VAT 23% = EUR 2,341.19 gross

To orderdate to be confirmed

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

NNU4940-S-K-M-SP—
EUR 1,903.41

Cheaper in larger quantities

from 5 pcsEUR 1,827.27−4%
from 10 pcsEUR 1,808.24−5%
from 25 pcsEUR 1,770.17−7%
from 50 pcsEUR 1,732.10−9%

Brought in to order — we confirm the date after checking with the manufacturer.

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

Symbol (SKU)NNU4940-S-K-M-SP#N1
EAN4012801232074
Wymiary⌀200 × 280 × 80 mm
Masa14.78 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?