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Inner diameter d (mm)

Outside diameter D (mm)

Width B (mm)

Weight (kg)

Technical Specifications

Accuracy class

0 - Higher quality; Tolerance variant

0 - Precision class P0 = ABEC.1

02 - Internal Precision (1/4 RBEC.1)

04 - External ring with reduced tolerance

06 - Reduced IR width tolerance

08 - Improved ISO class 5 stroke characteristics

10 - Breakdown voltage 1000 volts

11 - Boundary dimension deviations

13 - Vibrating screens A. Chalmers

14 - Limited outside tolerances

17 - Current isolated design

18 - P6 + VL0241

19 - Hardened outer / inner ring

20 - Hardened inner ring

21 - Corresponding pair

22 - Standard group variant

23 - Hardened outer ring

25 - Radial runout of I/O rings up to P5

26 - Rigid I/O rings on a roller element

27 - Marginal deviations

29 - Dimensional Deviations

2S - Double bearing set, tandem mounting

3 - Dimension Corresponds to P4, Running Acc. P2

30 - Blued bearings and parts

31 - Traction motor bearings

32 - Dimension tolerances

33 - Super Precision + VR522

34 - O-diameter & Design option

35 - Special Precision + VR521

36 - ABEC.5 Tolerances

38 - Dimension tolerances

39 - Resistance of the inner ring 1000 V

3S - Cylindrical roller. Set of three

40 - Heat treated steel I/O Ring

41 - Special axial clearance

43 - Marginal deviations

44 - Dimension tolerances

45 - Contaminated Environment

46 - Dimension deviations

47 - External or Internal Deviations

48 - Grooves in the ends of the outer ring

49 - Hardened inner ring + C084

51 - High accuracy and preload

52 - Marginal deviations

53 - Accuracy better than C08

54 - Polishing on the outside of the inner ring

55 - Mod. Internal Geometry

56 - External or Internal modifications

57 - Deviations from the outer dimensions

58 - Retention groove in the outer ring

59 - Dimensional deviations

7 - ABEC.7 Tolerances

77 - ABEC.3 Tolerances

78 - Combination of C70 + C08

79 - ABEC.1 Tolerances

7M - 3kV high voltage resistance

8 - Dimension tolerances

81 - Combination of C18 + C1

82 - Railway axle bearing

88 - Quality and tolerance variations

89 - Special Grease

9 - ABEC.9 tolerances

90 - Printing and Coating

91 - External and internal tolerances

A0 - Inner ring topped with a track.

A1 - Special quality for gears

A2 - Reduced width tolerance

A6 - P6 + B20

B6 - P6 + BL (FAG)

BK - Standard Group Option

BR + 2S

BR + 3S

BR - Black Finish

C1 - Combination of C10 and C05

Ceramic Balls + P0

Chamfer X4

CS - Special radial clearance

DS - Two shaft washers

E4 - Small balls + P4

EH - Small Ceramic Balls

H - Hybrid / Ceramic Balls / P3

H2 - Hybrid / Ceramic Balls / P2

H3 - Oven car bearings

H4 - Hybrid / Ceramic Balls / P4

H5 - Ceramic Ball Set

HB - Bainite-hardened inner ring

HC - All ceramic bearing

HE - Small Ceramic Balls

HG - GMN High Precision

High speed + P4

HV - Breakingdown voltage up to 500 Volt

HV - High speed & gt; 700000N.Dm + P6

Hybrid / High speed + P4

Hybrid bearing

Hybrid bearing + P4

IO - Bainite-hardened I/O rings

J24B

J48BB

K5 - P4S + K5

L5 - DLC coated rollers

Lubricant -50 & # 176;C / + 120 & # 176;C

N - Groove for snap ring

N9 - ABEC.9 + Ceramic balls

NS + P2

NS + P3

NS + P4

NS + UP

NS - Ceramic Balls

P0 - Timken precision grade 0

P2 + K5

P2 - Precision Grade P2

P3 - Timken Precision Grade 3

P4 - Precision Grade (higher than P5)

P4S Precision Grade (higher than P4)

P5 - Accuracy class (higher than P6)

P6 Accuracy class (higher than standard)

P6S

P6X

PE - Extended tolerances

PX - Special tolerances

Q4 - Special Features

QP - Vibrating Screen Specification

R250.280

R8 - Special modification

SP - Greater accuracy than P4S

Special chamfer

Standard accuracy class

T3 - Limited tolerances

T5 - Rounded chamfer

TW - T52BW + W209B

UP (Ultra Precision)

VA - VA301 + VL0241

VA2101

VB...

VL2076

VQ - Dimension and/or accuracy

VQ335

VQ412

VT - Anti-Seize Grease, LGEP2

W - Stainless steel parts (Z15)

W1 - Hardened steel heat-treated

W2 - Special reduced outside diameter

W6 - Solid Oil Filling

W9 - Lubr. Holes, how many?

WI - Slotted Inner Ring

WO - Split outer ring (RKB)

X3 - Beveled edge joins surfaces

Type of seal

1R1 - Fluorocarbon seal / For high temperatures

2CS - Contact seals in fluoro rubber

2F - Standard seals for Y-bearings

2FF - Quilted flingers on both sides

2FK - Standard seal + plain flinger

2FL - Two felt seals

2FW - 2F + W (without W33)

2GU

2L - LS seals on both sides

2LA - Two laminar seals

2LB - Two labyrinth seals

2LP

2N - High temperature seal

2PZ - Two re-locking rubber seals

2RD - Mild Contact, better than ZZ/2RU

2RF - Two seals with rubber seals

2RH - Two side high speed seal with low friction coefficient

2RL - Low friction NBR seal

2RS - Double sided rubber seal

2RS2 - Fluoro rubber seals / For high temperatures

2RS5

2RU - Two seals / Non-contact type

2RZ - Rubber and steel seals

2SL

2SU

2T - Two T-seals

2TA

2TS - Two Teflon seals

2V - Two O-rings

2WS - Brush + side seals

2Z1

2ZF - Steel shield and felt seal

2ZFS

2ZL

3LB

3T - Triple seal

5L - 5-lip seal

CS2 - Contact seal made of fluoro rubber

DD - 2 seals made of PTFE

DDU9

FIL

FL - Felt seal

L - LS seal on one side

LBA

N - N-seals

No seal

No sealing

No seals

P - P-seals

PZ - Plastic screen on one side

PZ2 - Plastic screen on both sides

R2 - Viton Rubber Seal / For High Temperatures

RD - Easy contact, better than Z/RU

RH - High speed seal with low friction on one side

RS - Rubber seal on one side

RS2

RS5

RSL

RU - Single seal with no friction

T - T-seal

TDT

TS - Single Teflon Seal

Z - Steel seal on one side

ZZ / 2Z - Double side steel seal

Contact Material

All stainless steel

Polyamide

Stainless Steel / Tectile

Stainless steel on bronze

Stainless steel on PTFE

Steel on bronze

Steel on PTFE

Steel on steel

Shaft seating

C - Cylindrical bore

Cylinder fit

K - Tapered bore 1:12 (standard for most types)

K3 - Tapered bore 1:30

Cage type

AG - Silvered separator

EP - Polyamide cage / Reinforced balls

F - Machined steel cage

FA - Outer ring centered steel cage

FC - Complete set, no cage

FY (copper alloy tooth type)

HPA

L - Machined aluminum cage

LA - Alumina outer ring guide

M - Brass cage

M1 - One piece brass cage, centered

MA - Brass cage centered on outer ring

ML - Inner/outer ring centered brass cage

MS - Old Style Cage for 420 Series

P - Plastic Molded Cage

PH - PEEK cage

S - Steel or standard cage

SS Cage

TB - Hard fiber cage

Y - Pressed brass separator

YP - BO type separator

Z - SS coil spring cages

Radial internal clearance

0 - Medium group with normal clearance

6 - Internal clearance less than half of C2

7 - Internal clearance greater than half of C2

8 - Internal clearance less than half of Cn

9 - Inner gap greater than half of Cn

A - Inside clearance greater than half of C3

B - Inside clearance greater than half of C4

C - Inside clearance less than half of C3

C1 Inner gap (less than C2)

C2 Inside gap (less than Cn)

C3 Internal gap (greater than Cn)

C4 Inner gap (greater than C3)

C4L

C5 Inner gap (greater than C4)

C5L

Cn Normal internal clearance

CN/3L

CNR

D - Axial clearance (duplex)

E - Axial clearance C2

F - Combination of C02 + C04 + C3

G - Axial clearance (duplex)

H - Internal clearance greater than half C5

I - Supervised cleaning Elec. Mot

J - Greater supervised clearance

M - C2 clearance

No radial clearance

P - Greater than or half normal; Less than or half C3

R - Internal clearance greater than half R6

S - Special internal clearance

Type of lubrication

/GH

2 - high temperature grease

5 - SKF Polyurea

5% -10% grease fill

8 - 15-20% grease

9 - Lithium grease Isoflex

AS2S

DLR

Filled solid lubricant

Food grade grease

For future use (to be specified)

G - Filling with non-toxic grease

Grease filled solid lubricant

Grease is supplied separately

High and Low Temperature Grease

High Temperature Lubricant

L - - 50 ° C / + 140 ° C

LGWM2

Low-temperature grease

M - Lithium thickened grease

Standard Grease

T - 50% normal fill grease

Unlubricated

V - Anti-Seize Grease

Heat resistance

240ºC

330ºC

No temperature stabilization

No temperature stabilization - temperature up to 120 °C

S>0<1 - Temperature up to 175°C

S>3<4

S>7<3

S0 - Temperature up to 150°C

S1 - Temperatures up to 200 ° C

S2 - Temperatures up to 250°C

S3 - Temperatures up to 300°C

S4 - Temperatures up to 350 °C

S4 - Temperatures up to 350°C

S5 - Temperatures up to 400°C

Special conditions

0 - Not yet known

1 - Special heating -40/+250 °C

120

2 - Special heat -150/+350 °C

3 - Special use (for extreme conditions)

5 - With lithium coating / Extended service life

7 - Thermal stabilization up to 160°C (NTN)

8 - Thermal limit up to 200 ° C (NTN)

9 - Thermal stabilization up to 250 ° C (NTN)

A - Stainless steel + C4

B - C7 clearance

C - Internal clearance C4

D - Anticorrosive coating; Lubrication holes

E - High temperature design up to +250°C

FA106

FA107 + VA

G - Design for temperature range -40/+180°C

I - Grease holes on mounting side

J - Gap C2

J20AB

K - C3 radial clearance

M - Fuchs Anticorit preservative

No special conditions

Q - Modified quality, dimensions

S - Special Heat Treatment (RHP)

Stainless steel bearing

With anti-corrosion ® Coating

Zinc Coated O-rings and collars

Zinc plated

External design modification

2I - 2 retaining rings with inner diameter

2N - 2 retaining rings with grooved outside diameter

2R - 2 retaining rings with outer diameter

2WR

F - Flange

Locking pin

N - Groove for snap ring on outer ring

N1 - 1 locking groove in the outer ring

N2 - 2 locking grooves in the outer ring

NR - Kanakwa and snap ring

Replaceable outer ring

Slot location on outer ring

Special locking ring with groove

Split inner ring

Standard design

VE024

Without outer modification

Separate inner / outer ring

Split inner ring

Split outer ring

Standard

Internal clearance for tapered roller bearings

0,001

0,0015

0,002

0,003

0,0045

0,005

0,006

0,007

0,014

0,017

0,02

0,0205

0,024

0,026

0,028

0,036

0,04

0,042

0,052

0,275

0.000

0.021 to 0.027

0.023 to 0.029

004 - Endplay = 0.0040

008 - Axial clearance = 0.008

010

012 - Axial clearance = 0.012

016 - Axial clearance = 0.016

032 - Endplay = 0.032

1,245

100-130µm

100-140µm

102 - Axial clearance = 0.102

110-130µm

120-160µm

120-170µm

125-175µm

130-150µm

140-170µm

140-180µm

150-180µm

150-190µm

150-200µm

160-190µm

160-200µm

180-220µm

180-230µm

200-250µm

220-260µm

220-270µm

220-280µm

230-270µm

230-280µm

240-290µm

240-300µm

250-300µm

260-320µm

280-330µm

320-360µm

330-380µm

350-400µm

350-410µm

360-410µm

370-420µm

40-70µm

400-450µm

440-500µm

450-500µm

470-520µm

50-90µm

500-550µm

550-600µm

60-100µm

60-80µm

600-650µm

620-670µm

75-125µm

80-100µm

80-120µm

90-140µm

Basic types FAG

C400

DB - Standard paired metric sealing connection

DF - Standard paired metric X-location

DT - Standard paired metric T-pattern

From 0.000 to 0.005

From 0.009 to 0.014

No internal clearance designation

SKF standard

Contact angle

10 degrees.

12 degrees

13 degrees

14 degrees

15 degrees

17 degrees

18 degrees

20 degrees

25 degrees

25 degrees + 15 degrees

26 degrees

27 degrees

29 degrees

30 degrees

32 degrees

35 degrees

40 degrees

40 degrees + 15 degrees

45 degrees

50 degrees

55 degrees

60 degrees

AC - 25 ° Contact high-speed design

CE - 15 ° Contact high speed design

Standard contact angle

Pairing

DB - O-arrangement, 2

DF - X arrangement, 2

DT - Tandem arrangement, 2

G - Universal connection

No pair.

PBC

PU - Set of 5 universal bearings

QBC - O-arrangement, 4

QBT - O- and tandem arrangement, 4

QFC - X arrangement, 4

QFT - X- and tandem arrangement, 4

QT - Tandem arrangement, 4

QU - Quadruple set, universal, 4

TBT - O- and tandem arrangement, 3

TFT X and tandem, 3

TT - Tandem arrangement, 3

TU - Triple set, universal, 3

Axial internal clearance / preload

02 - 9 kg (20 lbs) preload

10 - Axial clearance 100μm

12μm

14μm

15μm

160μm

17 - Axial clearance 17 μm

19μm

20μm

21μm

23μm

25μm

26μm

50 - Axial clearance 50μm

70μm

75μm

80μm

90μm

95μm

CA - Less than normal axial clearance

CB - Normal axial clearance

CC - Larger than normal axial clearance Cl

CX - End gap special

D - Zero clearance

DF - 2 bearings with universal setting

DH - 2 bearings with universal setting with high preload

DL - 2 bearings with universal setting with light preload

DM - 2 bearings with universal setting with medium preload

DU - 2 pairs, universal setting

DUDEL

DX - 2 bearings with universal setting with heavy preload

G.....

GA - Light preload

GB - Medium preload

GC - Heavy preload

GX - Ultra-light preload

PUL

QH - Quadriplex with Heavy Preload

QL - Quadriplex with light pre-load

QM - Quadriplex with medium preload

TL - 3 bearings with universal setting with light preload

TM - 3 bearings with universal setting with medium preload

TUF (RHP)

TUH

U8 - Small axial clearance (80)

UA - Universal pairs, pair of bearings with small axial internal clearance in O and X positions

UH (FAG only)

UL - Universal twin-fit design, bearing pair has small interference fit in O and X positions

UM - Universal design for twin mounting, pair of bearings with intermediate amounts of clearance at the O and X positions

UO - Zero backlash

US - Universal pairs, pair of bearings with larger preload in O and X positions

VA - Axial preload 18-25 µm

VJ - Variant / Non-standard

Without preload

Lubricant supply

W - No grease grooves or holes

W20 - 3 lube holes in outer ring

W26 - 6 lube holes in inner ring

W33 - Grease Groove and 3 Holes

W33T

W33X

W36 - W33 + W61 Combination

W37 - W33 + W73 + W61 Combi

W507X

W52 - W33 + W22 Combination

W53 - W33 + W26 Combination

W55 - W31 + W77 combined

W56 - W31 + W33 combined

W57 - W4 + W31 + W33 combined

W59 - W26 + W31 + W33 combined

W61 - Front threaded lifting holes

W96 - C02 + C04 + W31 + W40I + W40R

Vibration-resistant version

6 - Vibration device bearing

F - For vibration applications; upper 2/3 of C0

T - Version with vibration resistance

V - Version with vibration resistanceb (C4 and reinforced cage)

Without vibration resistance

Work surface

Cylindrical

Standard

Mounting method

E - With eccentric mounting

Other mounting method

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