SNR BEARINGS ITÁLIA S.P.A.: Bearings Spherical Rod Ends Flange-Mount Ball Bearing Units Pillow Block Ball Bearing Units

English

✖

Home

Stock Categories

Technical Articles

Bearings Spherical Rod Ends

Flange-Mount Ball Bearing Units

Pillow Block Ball Bearing Units

Home>Products>Pillow Block Roller Bearing Units>4.5 Inch | 114.3 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter Sealmaster ERPBA 408-C4 Pillow Block Roller Bearing Units

Sealmaster ERPBA 408-C4 MODELS

Need a CAD or 3D Model?

What is ERPBA 408-C4 bearing cross reference？

Contact Now WhatsApp Be Our Agent

4.5 Inch | 114.3 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter Sealmaster ERPBA 408-C4 Pillow Block Roller Bearing Units

Name: 4.5 Inch | 114.3 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter Sealmaster ERPBA 408-C4 Pillow Block Roller Bearing Units
Brand: Sealmaster
SKU: ERPBA 408-C4
Rating: 4.9 (5 reviews)

Sealmaster ERPBA 408-C4 Bearing SPECIFICATIONS

100% Authentic. 4.5 Inch | 114.3 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter Sealmaster ERPBA 408-C4 Pillow Block Roller Bearing Units Highest Quality. SNR BEARINGS ITÁLIA S.P.A. 4.5 Inch | 114.3 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter 30.2 mm s1 Certified ECL 208 End cover Supplier.
Brand Name:Sealmaster
Model Number:
ERPBA 408-C4
B:49.2 mm
End cover:ECL 208
s1:30.2 mm
Db:100 mm
Basic dynamic load rating C:30.7 kN
H:175 mm
N:14 mm
Recommended tightening torque for grub screw:6.5 N·m

SNR BEARINGS ITÁLIA S.P.A.

SNR BEARINGS ITÁLIA S.P.A.China

SNR BEARINGS ITÁLIA S.P.A.2020-07-10 09:46:19
Welcome to my shop! Glad to serve you! Please send your question!

Interested In: Price Inspection Certificate Product Specifications Company Profile

Types of Pillow Block Roller Bearing Units

B:49.2 mm
End cover:ECL 208
s1:30.2 mm
Db:100 mm
Basic dynamic load rating C:30.7 kN
H:175 mm
N:14 mm
Recommended tightening torque for grub screw:6.5 N·m
T:51.7 mm
Recommended diameter for attachment bolts, inch G:0.5 in
Size (mm):4.5 Inch | 114.3 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter

Sealmaster ERPBA 408-C4 4.5 Inch | 114.3 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter Sealmaster ERPBA 408-C4 Pillow Block Roller Bearing Units Sponsored Products Related To This Item

No.	Brand	H	E	C	A	b	F	a	J
RPBA 107-C2 CR	Sealmaster	-	-	-	-	-	-	-	-
USRBF5000A-400	Sealmaster	-	-	-	-	-	-	-	-
USRBF5000A-311	Sealmaster	15 mm	-	-	-	-	-	-	-
DRPBA 203-C2	Sealmaster	-	-	-	-	40.3 mm	-	-	-
USRBF5000AE-212	Sealmaster	-	-	-	-	-	-	-	-
USRB5000E-103-C	Sealmaster	-	-	-	-	-	-	-	-
USRBE5000AE-203	Sealmaster	-	-	-	-	-	-	-	-
USRB5511A-200	Sealmaster	-	-	-	-	-	-	-	-
USRB5511-115	Sealmaster	-	-	-	-	-	-	-	-
USRB5000E-303-C	Sealmaster	-	-	-	-	-	-	-	-
USRBE5000AE-212	Sealmaster	-	-	-	-	-	-	-	-
USRB5000-112-C	Sealmaster	-	-	-	-	-	-	-	-
ERPBA 407-4	Sealmaster	-	-	-	-	22.3 mm	-	-	-
ERPBA 500-C4	Sealmaster	-	-	-	320 mm	-	-	-	-
RPBA 300-C4 CR	Sealmaster	-	-	-	-	-	-	-	-
USRB5536A-608	Sealmaster	-	-	-	-	22.3 mm	-	-	-
USRB5000E-408	Sealmaster	-	-	-	-	-	-	-	-
USRB5544AE-708	Sealmaster	-	-	-	-	-	-	-	-
USRB5000A-311	Sealmaster	-	-	-	-	-	-	-	-
ERPBA 115-C2	Sealmaster	-	-	-	-	-	-	-	-
USRBF5000A-211	Sealmaster	-	-	-	-	-	-	-	-
RPBA 500-C4 CR	Sealmaster	-	-	-	-	-	-	-	-
USRB5000A-112	Sealmaster	-	-	-	-	-	-	-	-
USRB5000E-115-C	Sealmaster	-	-	-	-	-	-	-	-
USRBF5000AE-300	Sealmaster	-	-	-	-	-	-	-	-
RPBA 307-C2 CR	Sealmaster	-	-	-	-	-	-	-	-
RPBA 303-C2 CR	Sealmaster	-	-	-	-	-	-	-	-
RPBA 308-C4 CR	Sealmaster	-	-	-	-	-	-	-	-
USRB5000AE-303	Sealmaster	-	-	-	-	-	-	-	-

2.75 Inch \| 69.85 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter Sealmaster USRBF5000A-212 Pillow Block Roller Bearing Units	Pa:16.7 kN; End plug (suffix Y):EPR 14; Cap bolt, SAE grade:8; PG:1/4 NPT; L:387.35 mm; Stabilizing ring:2 x 38151-24; Cap bolt:5/8-11 UNC; N1:26.988 mm; R1:65.088 mm; Appropriate attachment bolt size G:0.875 in; Size (mm):2.75 Inch \| 69.85 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter ;
2.188 Inch \| 55.575 Millimeter x 3.12 Inch \| 79.248 Millimeter x 3 Inch \| 76.2 Millimeter Sealmaster DRPBA 203-C2 Pillow Block Roller Bearing Units	Mass bearing:135 kg; r1,2 min.:1.5 mm; Fatigue load limit Pu:345 kN; b:40.3 mm; Calculation factor Y1:0.94; Calculation factor e:0.72; D:546.1 mm; Comparative radial load rating CF:480 kN; Comparative axial load rating CFa:331 kN; Thrust factor K:0.83; Size (mm):2.188 Inch \| 55.575 Millimeter x 3.12 Inch \| 79.248 Millimeter x 3 Inch \| 76.2 Millimeter ;
4 Inch \| 101.6 Millimeter x 5.25 Inch \| 133.35 Millimeter x 4.25 Inch \| 107.95 Millimeter Sealmaster RPBA 400-C4 CR Pillow Block Roller Bearing Units	Calculation factor Y2:0.76; Calculation factor Y0:0.33; r1,2 min.:6 mm; d:560 mm; d1 ≈:648.1 mm; ra max.:5 mm; Calculation factor Y1:0.78; Reference speed:700 r/min; Calculation factor kr:0.085; D:820 mm; Size (mm):4 Inch \| 101.6 Millimeter x 5.25 Inch \| 133.35 Millimeter x 4.25 Inch \| 107.95 Millimeter ;
2.438 Inch \| 61.925 Millimeter x 3.313 Inch \| 84.14 Millimeter x 2.75 Inch \| 69.85 Millimeter Sealmaster RPBA 207-C2 CR Pillow Block Roller Bearing Units	a:48.775 mm; Da min.:198 mm; Da max.:221 mm; Mass bearing:11.3 kg; Dimension series:95000; Ca min.:10 mm; r3,4 min.:3.3 mm; db min.:161 mm; ra max.:9.7 mm; Basic static load rating C0:900 kN; Size (mm):2.438 Inch \| 61.925 Millimeter x 3.313 Inch \| 84.14 Millimeter x 2.75 Inch \| 69.85 Millimeter ;
2.938 Inch \| 74.625 Millimeter x 3.688 Inch \| 93.675 Millimeter x 3.125 Inch \| 79.38 Millimeter Sealmaster RPBA 215-C4 CR Pillow Block Roller Bearing Units	B:45.00 mm; Basic Dynamic Radial Load Rating C:153000 N; Basic Static Radial Load Rating Co:114000 N; Grease Speed Rating Open/Shielded n1:3600 rpm; Sealed Speed Rating n3:2500 rpm; Oil Speed Rating Open/Shielded n2:4300 rpm; d:75.000 mm; Fillet Radius ra:2.50 mm; Accessories:Shield & Seal; D:190.0000 mm; Size (mm):2.938 Inch \| 74.625 Millimeter x 3.688 Inch \| 93.675 Millimeter x 3.125 Inch \| 79.38 Millimeter ;
1.938 Inch \| 49.225 Millimeter x 2.953 Inch \| 75 Millimeter x 2.25 Inch \| 57.15 Millimeter Sealmaster ERPBA 115-2 Pillow Block Roller Bearing Units	Oil Speed Rating n2:5000 rpm; Fillet Radius ra:2.00 mm; D:120.0000 mm; Basic Static Radial Load Rating Co:122000 N; Basic Dynamic Radial Load Rating C:119000 N; B:52.40 mm; Grease Speed Rating n1:3800 rpm; d:55.000 mm; Accessories:Two Shields & Snap-R; Sealed Speed Rating n3:3800 rpm; Size (mm):1.938 Inch \| 49.225 Millimeter x 2.953 Inch \| 75 Millimeter x 2.25 Inch \| 57.15 Millimeter ;
2.688 Inch \| 68.275 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter Sealmaster USRBF5000AE-211 Pillow Block Roller Bearing Units	Da max.:413 mm; r1,2 min.:4 mm; Fatigue load limit Pu:720 kN; d1:515 mm; d:380 mm; Limiting speed:500 r/min; H:112 mm; Basic static load rating C0:10000 kN; Minimum axial load factor A:8; ra max.:3 mm; Size (mm):2.688 Inch \| 68.275 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter ;
3.438 Inch \| 87.325 Millimeter x 4.188 Inch \| 106.375 Millimeter x 3.75 Inch \| 95.25 Millimeter Sealmaster RPBA 307-C2 CR Pillow Block Roller Bearing Units	Basic Static Radial Load Rating Co:1700000 N; Fillet Radius rb:1.50 mm; B:148.00 mm; Basic Dynamic Radial Load Rating C:832000 N; Fillet Radius ra:3.00 mm; D:460.0000 mm; d:300.000 mm; Grease Speed Rating n1:960 rpm; Oil Speed Rating n2:1200 rpm; Size (mm):3.438 Inch \| 87.325 Millimeter x 4.188 Inch \| 106.375 Millimeter x 3.75 Inch \| 95.25 Millimeter ;
2.75 Inch \| 69.85 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter Sealmaster USRB5000A-212 Pillow Block Roller Bearing Units	Basic Dynamic Radial Load Rating C:59200 N; D:145.0000 mm; Lateral Eccentricity Max LE:0.003 mm; B:88.90 mm; d:101.600 mm; Fillet Radius ra:1.00 mm; Set:Quadruplex Set DFDT; Basic Static Radial Load Rating Co:104000 N; Size (mm):2.75 Inch \| 69.85 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter ;
3.688 Inch \| 93.675 Millimeter x 5.938 Inch \| 150.825 Millimeter x 4.25 Inch \| 107.95 Millimeter Sealmaster USRBF5000A-311 Pillow Block Roller Bearing Units	dynamic Cr:30.580 kN; d1:47 mm; D1:27 mm; static Cor:50.500 kN; Oil:6 000 min-1; Pu:2.300 kN; rs (min):0.6 mm; d:25 mm; H:15 mm; D:47 mm; Size (mm):3.688 Inch \| 93.675 Millimeter x 5.938 Inch \| 150.825 Millimeter x 4.25 Inch \| 107.95 Millimeter ;
3.5 Inch \| 88.9 Millimeter x 5.547 Inch \| 140.894 Millimeter x 3.75 Inch \| 95.25 Millimeter Sealmaster USRBF5000AE-308 Pillow Block Roller Bearing Units	d:160.000 mm; Fillet Radius rb:1.00 mm; Basic Dynamic Radial Load Rating C:390000 N; D:290.0000 mm; B:96.00 mm; Basic Static Radial Load Rating Co:560000 N; Fillet Radius ra:2.50 mm; Grease Speed Rating n1:1300 rpm; Oil Speed Rating n2:1700 rpm; Size (mm):3.5 Inch \| 88.9 Millimeter x 5.547 Inch \| 140.894 Millimeter x 3.75 Inch \| 95.25 Millimeter ;
5.438 Inch \| 138.125 Millimeter x 7.875 Inch \| 200.03 Millimeter x 6.688 Inch \| 169.875 Millimeter Sealmaster USRB5532A-507 Pillow Block Roller Bearing Units	Basic Dynamic Radial Load Rating C:806000 N; B:136.00 mm; Grease Speed Rating n1:1100 rpm; d:230.000 mm; Basic Static Radial Load Rating Co:1500000 N; Fillet Radius ra:3.00 mm; Fillet Radius rb:1.00 mm; Oil Speed Rating n2:1400 rpm; D:420.0000 mm; Size (mm):5.438 Inch \| 138.125 Millimeter x 7.875 Inch \| 200.03 Millimeter x 6.688 Inch \| 169.875 Millimeter ;

4.5 Inch | 114.3 Millimeter x 5.5 Inch | 139.7 Millimeter x 4.75 Inch | 120.65 Millimeter Sealmaster ERPBA 408-C4 Pillow Block Roller Bearing Units Video

Sealmaster ERPBA 408-C4 INTERCHANGE

Pillow Block Roller Bearing Units Part series ERPBA 408-C4 is a potential replacement for these common bearing part numbers:

NSKERPBA 408-C4
SKFERPBA 408-C4
NTNERPBA 408-C4
FAGERPBA 408-C4
TIMKENERPBA 408-C4
KOYOERPBA 408-C4
NACHIERPBA 408-C4
DODGEERPBA 408-C4

Contact Us

SNR BEARINGS ITÁLIA S.P.A.: AddressVia Riccardo Lombardi, Milan, Italy; Phone(Working Time)409-782-6236; Fax

Send Now

Sealmaster ERPBA 408-C4 Technical Articles

How do you calculate bearing load?

Calculation of loads | Basic Bearing Knowledge | Koyo5-3-4 Load distribution on bearings. The load distribution affecting bearings can be calculated as follows: first, radial force components are calculated, then, the Bearing Life Calculation...

What causes bearing fretting?

Fretting and Fretting Corrosion | Inspection of bearings afterFretting and Fretting Corrosion · Inner ring of cylindrical roller bearing. · Corrugated fretting along full circumference of raceway. · The cause is vibration...

What happens when a wheel bearing goes bad?

Symptoms of a Worn Wheel Hub Bearing | KnowYourPartsWorn Wheel Hub Bearing, wheel bearings, bad bearing symptoms. Signs of a The timeframe in which damage occurs is linked to driving conditions and/or the Wheel bearings: how long do they last?...

2.75 Inch \| 69.85 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter Sealmaster USRBF5000A-212 Pillow Block Roller Bearing Units	Pa:16.7 kN; End plug (suffix Y):EPR 14; Cap bolt, SAE grade:8; PG:1/4 NPT; L:387.35 mm; Stabilizing ring:2 x 38151-24; Cap bolt:5/8-11 UNC; N1:26.988 mm; R1:65.088 mm; Appropriate attachment bolt size G:0.875 in; Size (mm):2.75 Inch \| 69.85 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter ;
2.188 Inch \| 55.575 Millimeter x 3.12 Inch \| 79.248 Millimeter x 3 Inch \| 76.2 Millimeter Sealmaster DRPBA 203-C2 Pillow Block Roller Bearing Units	Mass bearing:135 kg; r1,2 min.:1.5 mm; Fatigue load limit Pu:345 kN; b:40.3 mm; Calculation factor Y1:0.94; Calculation factor e:0.72; D:546.1 mm; Comparative radial load rating CF:480 kN; Comparative axial load rating CFa:331 kN; Thrust factor K:0.83; Size (mm):2.188 Inch \| 55.575 Millimeter x 3.12 Inch \| 79.248 Millimeter x 3 Inch \| 76.2 Millimeter ;
4 Inch \| 101.6 Millimeter x 5.25 Inch \| 133.35 Millimeter x 4.25 Inch \| 107.95 Millimeter Sealmaster RPBA 400-C4 CR Pillow Block Roller Bearing Units	Calculation factor Y2:0.76; Calculation factor Y0:0.33; r1,2 min.:6 mm; d:560 mm; d1 ≈:648.1 mm; ra max.:5 mm; Calculation factor Y1:0.78; Reference speed:700 r/min; Calculation factor kr:0.085; D:820 mm; Size (mm):4 Inch \| 101.6 Millimeter x 5.25 Inch \| 133.35 Millimeter x 4.25 Inch \| 107.95 Millimeter ;
2.438 Inch \| 61.925 Millimeter x 3.313 Inch \| 84.14 Millimeter x 2.75 Inch \| 69.85 Millimeter Sealmaster RPBA 207-C2 CR Pillow Block Roller Bearing Units	a:48.775 mm; Da min.:198 mm; Da max.:221 mm; Mass bearing:11.3 kg; Dimension series:95000; Ca min.:10 mm; r3,4 min.:3.3 mm; db min.:161 mm; ra max.:9.7 mm; Basic static load rating C0:900 kN; Size (mm):2.438 Inch \| 61.925 Millimeter x 3.313 Inch \| 84.14 Millimeter x 2.75 Inch \| 69.85 Millimeter ;
2.938 Inch \| 74.625 Millimeter x 3.688 Inch \| 93.675 Millimeter x 3.125 Inch \| 79.38 Millimeter Sealmaster RPBA 215-C4 CR Pillow Block Roller Bearing Units	B:45.00 mm; Basic Dynamic Radial Load Rating C:153000 N; Basic Static Radial Load Rating Co:114000 N; Grease Speed Rating Open/Shielded n1:3600 rpm; Sealed Speed Rating n3:2500 rpm; Oil Speed Rating Open/Shielded n2:4300 rpm; d:75.000 mm; Fillet Radius ra:2.50 mm; Accessories:Shield & Seal; D:190.0000 mm; Size (mm):2.938 Inch \| 74.625 Millimeter x 3.688 Inch \| 93.675 Millimeter x 3.125 Inch \| 79.38 Millimeter ;
1.938 Inch \| 49.225 Millimeter x 2.953 Inch \| 75 Millimeter x 2.25 Inch \| 57.15 Millimeter Sealmaster ERPBA 115-2 Pillow Block Roller Bearing Units	Oil Speed Rating n2:5000 rpm; Fillet Radius ra:2.00 mm; D:120.0000 mm; Basic Static Radial Load Rating Co:122000 N; Basic Dynamic Radial Load Rating C:119000 N; B:52.40 mm; Grease Speed Rating n1:3800 rpm; d:55.000 mm; Accessories:Two Shields & Snap-R; Sealed Speed Rating n3:3800 rpm; Size (mm):1.938 Inch \| 49.225 Millimeter x 2.953 Inch \| 75 Millimeter x 2.25 Inch \| 57.15 Millimeter ;
2.688 Inch \| 68.275 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter Sealmaster USRBF5000AE-211 Pillow Block Roller Bearing Units	Da max.:413 mm; r1,2 min.:4 mm; Fatigue load limit Pu:720 kN; d1:515 mm; d:380 mm; Limiting speed:500 r/min; H:112 mm; Basic static load rating C0:10000 kN; Minimum axial load factor A:8; ra max.:3 mm; Size (mm):2.688 Inch \| 68.275 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter ;
3.438 Inch \| 87.325 Millimeter x 4.188 Inch \| 106.375 Millimeter x 3.75 Inch \| 95.25 Millimeter Sealmaster RPBA 307-C2 CR Pillow Block Roller Bearing Units	Basic Static Radial Load Rating Co:1700000 N; Fillet Radius rb:1.50 mm; B:148.00 mm; Basic Dynamic Radial Load Rating C:832000 N; Fillet Radius ra:3.00 mm; D:460.0000 mm; d:300.000 mm; Grease Speed Rating n1:960 rpm; Oil Speed Rating n2:1200 rpm; Size (mm):3.438 Inch \| 87.325 Millimeter x 4.188 Inch \| 106.375 Millimeter x 3.75 Inch \| 95.25 Millimeter ;
2.75 Inch \| 69.85 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter Sealmaster USRB5000A-212 Pillow Block Roller Bearing Units	Basic Dynamic Radial Load Rating C:59200 N; D:145.0000 mm; Lateral Eccentricity Max LE:0.003 mm; B:88.90 mm; d:101.600 mm; Fillet Radius ra:1.00 mm; Set:Quadruplex Set DFDT; Basic Static Radial Load Rating Co:104000 N; Size (mm):2.75 Inch \| 69.85 Millimeter x 4.484 Inch \| 113.894 Millimeter x 3.25 Inch \| 82.55 Millimeter ;
3.688 Inch \| 93.675 Millimeter x 5.938 Inch \| 150.825 Millimeter x 4.25 Inch \| 107.95 Millimeter Sealmaster USRBF5000A-311 Pillow Block Roller Bearing Units	dynamic Cr:30.580 kN; d1:47 mm; D1:27 mm; static Cor:50.500 kN; Oil:6 000 min-1; Pu:2.300 kN; rs (min):0.6 mm; d:25 mm; H:15 mm; D:47 mm; Size (mm):3.688 Inch \| 93.675 Millimeter x 5.938 Inch \| 150.825 Millimeter x 4.25 Inch \| 107.95 Millimeter ;
3.5 Inch \| 88.9 Millimeter x 5.547 Inch \| 140.894 Millimeter x 3.75 Inch \| 95.25 Millimeter Sealmaster USRBF5000AE-308 Pillow Block Roller Bearing Units	d:160.000 mm; Fillet Radius rb:1.00 mm; Basic Dynamic Radial Load Rating C:390000 N; D:290.0000 mm; B:96.00 mm; Basic Static Radial Load Rating Co:560000 N; Fillet Radius ra:2.50 mm; Grease Speed Rating n1:1300 rpm; Oil Speed Rating n2:1700 rpm; Size (mm):3.5 Inch \| 88.9 Millimeter x 5.547 Inch \| 140.894 Millimeter x 3.75 Inch \| 95.25 Millimeter ;
5.438 Inch \| 138.125 Millimeter x 7.875 Inch \| 200.03 Millimeter x 6.688 Inch \| 169.875 Millimeter Sealmaster USRB5532A-507 Pillow Block Roller Bearing Units	Basic Dynamic Radial Load Rating C:806000 N; B:136.00 mm; Grease Speed Rating n1:1100 rpm; d:230.000 mm; Basic Static Radial Load Rating Co:1500000 N; Fillet Radius ra:3.00 mm; Fillet Radius rb:1.00 mm; Oil Speed Rating n2:1400 rpm; D:420.0000 mm; Size (mm):5.438 Inch \| 138.125 Millimeter x 7.875 Inch \| 200.03 Millimeter x 6.688 Inch \| 169.875 Millimeter ;