SHF(SHG) Type Cross Cylindrical Roller Bearing|Harmonic Drive Bearings|Precision Bearings|Products|NewBee Transmission

Harmonic Drive Bearings

SHF(SHG) Type Cross Cylindrical Roller Bearing

SHF(SHG) Series Harmonic Reducer Bearings FeaturesRolling body are cylindrical rollers which arranged orthogonality,this structure can make one bearing can bear the load from every direction e.g.radial,axial and tilting torque etc.Bearing with high rigidity,rotation accurancy and load carrying capacity.

Size:Inner bore d:38-135mm;Outer diameter D:70-214mm;Width B:14.6-34.5mm

Accuracy Grade:High precision for harmonic drive;Low backlash,high positioning repeatability;Matched with SHG / SHF series reducers

Seal & Lubrication:Open type / sealed type (customizable);Pre-filled with special low-friction lubricant for harmonic reducers;Low temperature rise,long service life;

Delivery:Standard models:7–15 days;Customized drawings:please confirm with manufacturer;

Contact Expert Get a Quote

Techspecs

Model	d	d3	D	H	C	B	B1	d1	d2	h
NB.SHG(SHF)-14	38	36	70	15.1	14.1	14.6	5	57	53	1.2
NB.SHG(SHF)-17	47	44.1	80	17	16	16.4	6.5	68.1	64.1	1.2
NB.SHG(SHF)-20	54	–	90	18.5	17.5	17.5	7	78	72.6	1.6
NB.SHG(SHF)-25	67	65	110	20.7	18.7	19.7	7.5	94.8	90	1.45
NB.SHG(SHF)-32	88	84	142	24.4	23.4	23.4	8	123	117.6	1.6
NB.SHG(SHF)-40	108	106	170	30	29	28.5	9.5	148	142.6	1.55
NB.SHG(SHF)-45	120	118	190	33	32	34.5	10	170	164	1.55
NB.SHG(SHF)-50	135	129	214	36	34	34.5	10	188	182.6	1.6

Bearing Model	P.C.D dm (Outer)	Outer Mounting Hole 1	Outer Mounting Hole2 (Seal Rear)	P.C.D dn(Inner)	Inner Mounting Hole 1 (Seal Front)	Inner Mounting Hole 2	Cr	Cor	Weight
NB.SHG(SHF)-14	64	8-Φ3.5	2-M3 (depth 8)	44	12-M3 (depth 6)	–	5.8	8.6	0.25
NB.SHG(SHF)-17	74	12-Φ3.5	4-M3 (depth 8)	54	20-M3 (depth 6)	–	10.4	16.3	0.35
NB.SHG(SHF)-20	84	12-Φ3.5	4-M3 (depth 6)	62	16-M3 (depth 6)	4-M3 (depth 6)	14.6	22	0.5
NB.SHG(SHF)-25	102	12-Φ4.5	4-M3 (depth 6)	77	16-M4 (depth 8)	4-M3 (depth 6)	21.8	35.8	0.8
NB.SHG(SHF)-32	132	12-Φ5.5	4-M4 (depth 8)	100	16-M5 (depth 8)	4-M4 (depth 8)	38.2	65.4	1.65
NB.SHG(SHF)-40	158	12-Φ6.6	6-M4 (depth 9)	122	16-M6 (depth 10)	4-M5 (depth 10)	43.3	81.6	2.8
NB.SHG(SHF)-45	180	18-Φ6.6	6-M4 (depth 8)	140	12-M8 (depth 10)	4-M5 (depth 8)	77.6	135	4.3
NB.SHG(SHF)-50	200	12-Φ9	6-M5 (depth 12)	154	16-M8 (depth 12)	8-M5 (depth 10)	81.6	149	5

Description

Design Principles:SHG (SHF) bearing adopts cross cylindrical roller structure with 90° vertical arrangement.Line contact between rollers and raceways provides high rigidity and large load capacity.The integral inner/outer ring structure ensures stable rotation accuracy and torque output,almost unaffected by installation.It is specially designed for the output part of SHG / SHF harmonic reducers,with high compatibility and interchangeability. Performance Features:High Combined Load Capacity:Bears radial,axial and tilting moment loads in one bearing ;High Rigidity & Stability:Integral structure,stable torque and rotation precision;Installation-friendly:Little performance impact from installation; easy assembly;High Precision & Low Backlash:Ideal for highprecision positioning and repeated motion; Standardized Dimensions:Matched with SHG / SHF reducers,direct replacement;Long Service Life:Optimized raceway design,low wear,stable performance Customization Options;Customized boundary dimensions and tolerance;Seal structure upgrade;Special lubrication for high/low temperature;Corrosion-resistant material modification;Drawing customization for special assemblies.

Features

Integral Structure,Stable Performance

One-piece inner and outer rings ensure high rigidity and stable accuracy; installation has nearly no effect on performance.

All-Direction Load Capacity

Single bearing supports radial,axial and tilting moment loads,simplifying equipment structure.

High Precision & Torque Stability

Low backlash,high rotation precision,ensuring stable output of harmonic reducers.

Standardized & Interchangeable

Perfectly matched with SHG / SHF series harmonic reducers,easy installation and replacement.

Professional Technical Support

Complete drawings and parameters provided; professional selection and aftersales support.

Working Principle

Working Principle：Load Distribution Cylindrical rollers are crossarranged at 90° in Vshaped raceways.Radial,axial and tilting moment loads are evenly distributed through line contact,avoiding local stress concentration and improving loading stability.Structure & Alignment Integral inner and outer rings reduce assembly error and enhance rigidity.Cross roller structure enables high rigidity and precision under compound loads,ensuring stable output of harmonic reducers.Installation & Matching Standard front and rear mounting holes with fixed thread depth ensure reliable installation.Coaxiality must be guaranteed during assembly to avoid extra tilting moment and premature failure.

Application & Case

Applications

Industrial Robots

Robot joints, arms, and base rotation units

Ideal for heavy-duty robots requiring high rigidity

Handle combined loads (radial, axial, moment) during complex motion

CNC Machine Tools

Rotary tables and tilting tables

Machining center indexing systems

Provide high precision, stiffness, and load capacity for cutting forces

Direct Drive (DD) Motors

Integrated into DD motor systems

Support high torque output with precise positioning

Common in automation and robotics

Precision Turntables & Rotary Stages

Assembly lines and automation equipment

Ensure smooth rotation and repeatable positioning

Suitable for high-load rotating platforms

Semiconductor Manufacturing Equipment

Wafer transfer robots

Inspection and lithography systems

Require clean, vibration-free, ultra-precise motion

Medical Equipment

CT scanners and diagnostic imaging systems

Surgical robotic arms

Provide low noise, smooth rotation, and high reliability

Heavy-Duty Positioning Systems

Welding positioners

Large indexing tables

Offer high moment load capacity and structural rigidity

Aerospace & Defense

Radar antennas and tracking systems

Satellite ground stations

What are the important technical parameters of bearings?

FAQ

What is the structure of SHG (SHF) bearing?

It adopts onepiece outer ring + onepiece inner ring and cross cylindrical roller design.

What is the difference between SHG and CSG/CSD bearings?

SHG is dedicated to SHG/SHF series reducers; dimensions and mounting holes are different from CSG/CSD.

Can SHG bearing bear tilting moment?

Yes.Cross roller structure supports radial load,axial load and tilting moment at the same time.

Why need to confirm drawings before ordering?

Mounting hole positions and thread dimensions are complex; drawings ensure correct assembly.

What lubrication is recommended?

Use special lowfriction lubricant for harmonic reducers.

Is it suitable for robot joints?

Yes.It is the standard supporting bearing for SHG/SHF harmonic reducer in robot joints.

CNC Machinery

Precision Bearings

Non-standard Machinery Parts

Contact Info

Follow Us